* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

button, .menu-btn, .back-btn, .control-btn, .lang-level-btn,
.diff-btn, .tab-btn, .topic-btn, .scenario-btn, .quiz-option,
.dict-word, .memory-card, .flashcard {
    user-select: none;
    -webkit-user-select: none;
    cursor: pointer;
    touch-action: manipulation;
}

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --secondary: #a855f7;
    --success: #22c55e;
    --success-light: #4ade80;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #0f0f1a;
    --darker: #07070f;
    --light: #f1f5f9;
    --card-bg: #1a1a2e;
    --card-border: rgba(255, 255, 255, 0.08);
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --a1-color: #22c55e;
    --a2-color: #3b82f6;
    --b1-color: #f59e0b;
    --b2-color: #ef4444;
    --glass: rgba(255, 255, 255, 0.05);
    --glow: 0 0 40px rgba(99, 102, 241, 0.3);
}

/* ==================== TRYB JASNY ==================== */
body.light-mode {
    --dark: #f8fafc;
    --darker: #e8eaf0;
    --light: #1e293b;
    --card-bg: #ffffff;
    --card-border: rgba(0, 0, 0, 0.1);
    --text: #1e293b;
    --text-muted: #64748b;
    --glass: rgba(0, 0, 0, 0.03);
}

body.light-mode .navbar,
body.light-mode .menu-btn,
body.light-mode .stat-card,
body.light-mode .settings-section,
body.light-mode .chat-container,
body.light-mode .dict-word,
body.light-mode .topic-btn,
body.light-mode .listening-card,
body.light-mode .speaking-card,
body.light-mode .add-word-form,
body.light-mode .my-words-list,
body.light-mode .grammar-content,
body.light-mode .daily-progress,
body.light-mode .level-detail,
body.light-mode .memory-card,
body.light-mode .level-item,
body.light-mode .current-level-big,
body.light-mode .language-level-select,
body.light-mode .lang-level-progress {
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

body.light-mode .chat-message.bot {
    background: #e2e8f0;
}

body.light-mode input,
body.light-mode select {
    background: #e2e8f0 !important;
    color: #1e293b !important;
}

html {
    height: 100%;
    overscroll-behavior: none;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--dark);
    background-image:
        radial-gradient(ellipse at top left, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(168, 85, 247, 0.15) 0%, transparent 50%);
    min-height: 100%;
    color: var(--text);
    transition: background-color 0.3s ease, color 0.3s ease;
    overscroll-behavior: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: env(safe-area-inset-bottom);
}

.app {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 12px 12px;
    min-height: 100%;
}

/* ==================== NAWIGACJA ==================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: max(12px, env(safe-area-inset-top)) 16px 12px;
    background: var(--darker);
    border: none;
    border-radius: 0;
    margin: 0 -12px 14px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.navbar h1 {
    font-size: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stats {
    display: flex;
    gap: 10px;
    font-size: 0.8rem;
    font-weight: 600;
}

.xp { 
    color: #fbbf24;
    text-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
}

.streak { 
    color: #f87171;
    text-shadow: 0 0 10px rgba(248, 113, 113, 0.5);
}

.theme-toggle {
    background: var(--glass);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 6px 8px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--primary);
    transform: rotate(180deg);
}

/* ==================== EKRANY ==================== */
.screen {
    display: none;
    animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.screen.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== LEVEL BADGE ==================== */
.level-badge {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 14px 18px;
    border-radius: 16px;
    text-align: center;
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.3);
}

.level-badge::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.level-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

#levelTitle, #userLevel {
    font-size: 0.85rem;
    font-weight: 700;
}

.progress-bar {
    height: 8px;
    background: rgba(255,255,255,0.2);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    border-radius: 10px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
}

.xp-to-next {
    font-size: 0.7rem;
    opacity: 0.9;
    margin-top: 6px;
    display: block;
    position: relative;
    z-index: 1;
}

/* ==================== WYBÓR POZIOMU JĘZYKOWEGO ==================== */
.language-level-select {
    background: var(--card-bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid var(--card-border);
    padding: 12px 14px;
    border-radius: 14px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.language-level-select span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.level-buttons {
    display: flex;
    gap: 6px;
}

.lang-level-btn {
    padding: 7px 14px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--glass);
    border: 1px solid var(--card-border);
    color: var(--text);
}

.lang-level-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.lang-level-btn.active,
.lang-level-btn[data-level="A1"].active { background: var(--a1-color); color: white; box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4); }
.lang-level-btn[data-level="A2"].active { background: var(--a2-color); color: white; box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4); }
.lang-level-btn[data-level="B1"].active { background: var(--b1-color); color: white; box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4); }
.lang-level-btn[data-level="B2"].active { background: var(--b2-color); color: white; box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4); }

.current-lang-level {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    padding: 10px 14px;
    border-radius: 12px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    text-align: center;
    border: 1px solid var(--card-border);
}

.current-lang-level span {
    font-weight: 700;
    color: var(--primary-light);
}

/* ==================== MENU GRID ==================== */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.menu-btn {
    background: var(--card-bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid var(--card-border);
    padding: 18px 10px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text);
    position: relative;
    overflow: hidden;
}

.menu-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-btn:active {
    transform: scale(0.94);
    opacity: 0.85;
    transition: transform 0.1s ease, opacity 0.1s ease;
}

.menu-btn .icon {
    font-size: 1.6rem;
    position: relative;
    z-index: 1;
}

.menu-btn span:last-child {
    font-size: 0.72rem;
    font-weight: 600;
    text-align: center;
    position: relative;
    z-index: 1;
}

.word-stats {
    text-align: center;
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==================== BACK BUTTON ==================== */
.back-btn {
    background: transparent;
    border: none;
    color: var(--primary-light);
    padding: 8px 0;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 14px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: opacity 0.15s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.back-btn:active {
    opacity: 0.6;
}

/* ==================== KATEGORIE SELECT ==================== */
.category-select select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    color: var(--text);
    font-size: 0.9rem;
    margin-bottom: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-select select:hover {
    border-color: var(--primary);
}

.category-select optgroup {
    font-weight: 700;
    color: var(--primary);
}

/* ==================== FISZKI ==================== */
.flashcard {
    perspective: 1000px;
    height: 220px;
    cursor: pointer;
    margin-bottom: 14px;
}

.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.flashcard-inner.flipped {
    transform: rotateY(180deg);
}

.flashcard-front,
.flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
    font-size: 1.5rem;
    font-weight: 700;
    padding: 14px;
    border: 1px solid var(--card-border);
}

.flashcard-front {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.35);
}

.flashcard-back {
    background: linear-gradient(135deg, var(--success), #16a34a);
    transform: rotateY(180deg);
    box-shadow: 0 15px 40px rgba(34, 197, 94, 0.35);
}

.sound-btn {
    position: absolute;
    bottom: 14px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: none;
    border: none;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sound-btn:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.1);
}

.example {
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 10px;
    font-style: italic;
    opacity: 0.9;
    text-align: center;
}

.flashcard-controls {
    display: flex;
    gap: 10px;
}

.control-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.control-btn.wrong {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 2px solid var(--danger);
}

.control-btn.wrong:hover {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.control-btn.correct {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
    border: 2px solid var(--success);
}

.control-btn.correct:hover {
    background: var(--success);
    color: white;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4);
}

.card-counter {
    text-align: center;
    margin-top: 14px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

/* ==================== MEMORY ==================== */
.memory-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.memory-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
}

.memory-stats {
    display: flex;
    gap: 14px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.memory-difficulty {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
}

.diff-btn {
    flex: 1;
    padding: 10px 6px;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.diff-btn.active,
.diff-btn:hover {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.memory-board {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
}

.memory-board.easy {
    grid-template-columns: repeat(3, 1fr);
}

.memory-board.medium {
    grid-template-columns: repeat(4, 1fr);
}

.memory-board.hard {
    grid-template-columns: repeat(4, 1fr);
}

.memory-card {
    aspect-ratio: 1;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 700;
    text-align: center;
    padding: 6px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.memory-card:hover {
    border-color: var(--primary);
    transform: scale(1.05);
}

.memory-card.flipped {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.memory-card.matched {
    background: linear-gradient(135deg, var(--success), #16a34a);
    color: white;
    cursor: default;
    box-shadow: 0 8px 20px rgba(34, 197, 94, 0.3);
}

.memory-card .card-back {
    font-size: 1.4rem;
}

/* ==================== QUIZ ==================== */
.quiz-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 18px;
    font-size: 0.9rem;
    font-weight: 600;
}

.quiz-question {
    text-align: center;
    margin-bottom: 18px;
}

.quiz-question h2 {
    font-size: 2rem;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.quiz-option {
    padding: 14px 16px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--card-border);
    border-radius: 14px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    text-align: left;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.quiz-option:hover {
    border-color: var(--primary);
    transform: translateX(6px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
}

.quiz-option.correct {
    background: rgba(34, 197, 94, 0.2);
    border-color: var(--success);
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.quiz-option.wrong {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.quiz-feedback {
    margin-top: 14px;
    padding: 14px;
    border-radius: 14px;
    text-align: center;
    font-size: 0.95rem;
    font-weight: 600;
}

.quiz-feedback.hidden { display: none; }
.quiz-feedback.success { background: rgba(34, 197, 94, 0.15); color: var(--success); border: 1px solid var(--success); }
.quiz-feedback.error { background: rgba(239, 68, 68, 0.15); color: var(--danger); border: 1px solid var(--danger); }

/* ==================== GRAMATYKA ==================== */
.grammar-topics {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.topic-btn {
    padding: 16px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    cursor: pointer;
    text-align: left;
    color: var(--text);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.topic-btn:hover {
    transform: translateX(8px);
    border-left: 4px solid var(--primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
}

.topic-btn span:first-child {
    display: block;
    font-size: 1rem;
    font-weight: 700;
}

.topic-desc {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.grammar-content {
    margin-top: 14px;
    padding: 18px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 14px;
}

.grammar-content.hidden,
.grammar-exercise.hidden { display: none; }

.grammar-content h3 {
    margin-bottom: 12px;
    color: var(--primary-light);
    font-size: 1.1rem;
}

.grammar-content ul {
    margin: 12px 0;
    padding-left: 20px;
}

.grammar-table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 0.8rem;
}

.grammar-table th,
.grammar-table td {
    padding: 8px;
    text-align: center;
    border: 1px solid var(--card-border);
}

.grammar-table th {
    background: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
}

.grammar-exercise {
    margin-top: 14px;
    padding: 18px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 14px;
}

.grammar-sentence {
    font-size: 1rem;
    margin: 12px 0;
    text-align: center;
    font-weight: 500;
}

.grammar-options {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== SŁUCHANIE I MÓWIENIE ==================== */
.listening-card,
.speaking-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 24px;
    border-radius: 18px;
    text-align: center;
}

.big-sound-btn,
.listen-btn {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    font-size: 0.95rem;
    cursor: pointer;
    margin-bottom: 18px;
    color: white;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.big-sound-btn:hover,
.listen-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

.listen-btn {
    width: auto;
    height: auto;
    padding: 12px 24px;
    border-radius: 25px;
}

.listening-card input[type="text"] {
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    border: 2px solid var(--card-border);
    background: var(--glass);
    color: var(--text);
    font-size: 1rem;
    text-align: center;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.listening-card input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.check-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.check-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.feedback {
    margin-top: 14px;
    padding: 12px;
    border-radius: 12px;
    font-weight: 600;
}

.feedback.hidden { display: none; }
.feedback.success { background: rgba(34, 197, 94, 0.15); color: var(--success); border: 1px solid var(--success); }
.feedback.error { background: rgba(239, 68, 68, 0.15); color: var(--danger); border: 1px solid var(--danger); }

/* Mówienie */
.word-to-say {
    margin-bottom: 18px;
}

.word-to-say h2 {
    font-size: 2.2rem;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.translation {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.big-mic-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border: none;
    border-radius: 14px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin: 14px 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.big-mic-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.5);
}

.big-mic-btn.listening {
    animation: pulse 1s infinite;
    background: linear-gradient(135deg, var(--success), #16a34a);
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

.speech-result {
    background: var(--glass);
    border: 1px solid var(--card-border);
    padding: 14px;
    border-radius: 14px;
    margin: 12px 0;
}

.speech-result.hidden { display: none; }

.speech-result h3 {
    color: var(--primary-light);
    font-size: 1.2rem;
}

/* ==================== POSTĘPY ==================== */
.level-detail {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 22px;
    border-radius: 18px;
    text-align: center;
    margin-bottom: 18px;
}

.level-icon {
    font-size: 3.5rem;
    margin-bottom: 8px;
}

.level-detail h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.level-progress-bar {
    height: 12px;
    background: var(--glass);
    border-radius: 10px;
    overflow: hidden;
    margin: 12px 0;
}

.level-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--success));
    border-radius: 10px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.xp-info {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Postęp wg poziomu językowego */
.lang-level-progress {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 18px;
    border-radius: 16px;
    margin-bottom: 18px;
}

.lang-level-progress h3 {
    font-size: 0.95rem;
    margin-bottom: 14px;
    font-weight: 700;
}

.lang-progress-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.lang-progress-item span:first-child {
    width: 28px;
    font-weight: 700;
    font-size: 0.8rem;
}

.lang-progress-bar {
    flex: 1;
    height: 10px;
    background: var(--glass);
    border-radius: 8px;
    overflow: hidden;
}

.lang-progress-fill {
    height: 100%;
    border-radius: 8px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.lang-progress-item:nth-child(2) .lang-progress-fill { background: linear-gradient(90deg, var(--a1-color), #4ade80); }
.lang-progress-item:nth-child(3) .lang-progress-fill { background: linear-gradient(90deg, var(--a2-color), #60a5fa); }
.lang-progress-item:nth-child(4) .lang-progress-fill { background: linear-gradient(90deg, var(--b1-color), #fbbf24); }
.lang-progress-item:nth-child(5) .lang-progress-fill { background: linear-gradient(90deg, var(--b2-color), #f87171); }

.lang-progress-item span:last-child {
    width: 35px;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 18px;
}

.stat-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 16px;
    border-radius: 14px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:active {
    transform: scale(0.97);
    opacity: 0.85;
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
}

.achievements h3 {
    margin-bottom: 12px;
    font-size: 1rem;
    font-weight: 700;
}

.achievements-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.achievement {
    padding: 8px 12px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.achievement:hover {
    transform: scale(1.05);
    border-color: var(--primary);
}

.achievement.locked {
    opacity: 0.4;
}

/* ==================== EKRAN POZIOMÓW ==================== */
.current-level-big {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 28px;
    border-radius: 20px;
    text-align: center;
    margin-bottom: 18px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.35);
}

.current-level-big::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s infinite;
}

.big-level-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.current-level-big h2 {
    font-size: 1.4rem;
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}

.big-progress-bar {
    height: 14px;
    background: rgba(255,255,255,0.2);
    border-radius: 10px;
    overflow: hidden;
    margin: 14px 0 10px;
    position: relative;
    z-index: 1;
}

.big-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    border-radius: 10px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 15px rgba(251, 191, 36, 0.5);
}

.all-levels-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 380px;
    overflow-y: auto;
    padding-right: 5px;
}

.all-levels-list::-webkit-scrollbar {
    width: 6px;
}

.all-levels-list::-webkit-scrollbar-track {
    background: var(--glass);
    border-radius: 10px;
}

.all-levels-list::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

.level-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    transition: all 0.3s ease;
}

.level-item:hover {
    transform: translateX(5px);
}

.level-item.current {
    border: 2px solid var(--primary);
    background: rgba(99, 102, 241, 0.1);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.2);
}

.level-item.locked {
    opacity: 0.5;
}

.level-item.unlocked {
    border-left: 4px solid var(--success);
}

.level-item-icon {
    font-size: 1.8rem;
}

.level-item-info {
    flex: 1;
}

.level-item-info h4 {
    font-size: 0.9rem;
    margin-bottom: 3px;
    font-weight: 700;
}

.level-item-info p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.level-item-xp {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* ==================== CZAT ==================== */
.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.chat-header h2 {
    font-size: 1rem;
    font-weight: 700;
}

.chat-header select {
    padding: 6px 10px;
    border-radius: 10px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text);
    font-size: 0.8rem;
}

.chat-scenario {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.scenario-btn {
    padding: 6px 12px;
    background: var(--glass);
    border: 1px solid var(--primary);
    color: var(--primary);
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.scenario-btn:hover,
.scenario-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.chat-container {
    height: 240px;
    overflow-y: auto;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 12px;
    margin-bottom: 12px;
}

.chat-container::-webkit-scrollbar {
    width: 6px;
}

.chat-container::-webkit-scrollbar-track {
    background: transparent;
}

.chat-container::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

.chat-message {
    margin-bottom: 12px;
    padding: 10px 14px;
    border-radius: 16px;
    max-width: 85%;
    font-size: 0.85rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-message.bot {
    background: var(--glass);
    border: 1px solid var(--card-border);
    margin-right: auto;
    border-bottom-left-radius: 4px;
}

.chat-message.user {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    margin-left: auto;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.chat-message small {
    opacity: 0.7;
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
}

.chat-input-container {
    display: flex;
    gap: 8px;
}

.chat-input-container input {
    flex: 1;
    padding: 10px 16px;
    border-radius: 25px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.chat-input-container input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.chat-input-container button {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.chat-input-container button:hover {
    transform: scale(1.1);
}

.mic-btn-small {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3) !important;
}

.mic-btn-small.listening {
    animation: pulse 1s infinite;
    background: linear-gradient(135deg, var(--success), #16a34a) !important;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3) !important;
}

.chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.chat-suggestions button {
    padding: 5px 10px;
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.chat-suggestions button:hover {
    background: var(--primary);
    color: white;
}

/* ==================== MOJE SŁÓWKA ==================== */
.add-word-form {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 18px;
    border-radius: 16px;
    margin-bottom: 14px;
}

.add-word-form h3 {
    margin-bottom: 12px;
    color: var(--primary-light);
    font-size: 0.95rem;
    font-weight: 700;
}

.add-word-form input,
.add-word-form select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 2px solid var(--card-border);
    background: var(--glass);
    color: var(--text);
    font-size: 0.9rem;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.add-word-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.my-words-list {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 14px;
    border-radius: 16px;
}

.my-words-list h3 {
    margin-bottom: 12px;
    font-size: 0.95rem;
    font-weight: 700;
}

.custom-word-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--glass);
    border-radius: 10px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.custom-word-item:hover {
    border-left: 3px solid var(--primary);
    transform: translateX(4px);
}

.custom-word-item .word-info {
    flex: 1;
}

.custom-word-item .word-german {
    font-weight: 700;
    color: var(--primary-light);
}

.custom-word-item .word-polish {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.custom-word-item .delete-btn {
    background: rgba(239, 68, 68, 0.1);
    border: none;
    color: var(--danger);
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.custom-word-item .delete-btn:hover {
    background: var(--danger);
    color: white;
}

/* ==================== SŁOWNIK ==================== */
.search-box input {
    width: 100%;
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    color: var(--text);
    font-size: 0.95rem;
    margin-bottom: 14px;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 25px rgba(99, 102, 241, 0.2);
}

.category-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 8px 14px;
    background: var(--glass);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--text);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.word-count {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-weight: 500;
}

.dictionary-list {
    max-height: 400px;
    overflow-y: auto;
    padding-right: 5px;
}

.dictionary-list::-webkit-scrollbar {
    width: 6px;
}

.dictionary-list::-webkit-scrollbar-track {
    background: transparent;
}

.dictionary-list::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

.dict-word {
    padding: 12px 14px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dict-word:hover {
    border-color: var(--primary);
    transform: translateX(4px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.15);
}

.dict-word .german {
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary-light);
}

.dict-word .polish {
    color: var(--text);
    font-size: 0.9rem;
}

.dict-word .example {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 4px;
}

.dict-word .level-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 0.65rem;
    font-weight: 700;
    margin-top: 6px;
}

.dict-word .level-tag.A1 { background: rgba(34, 197, 94, 0.2); color: var(--a1-color); }
.dict-word .level-tag.A2 { background: rgba(59, 130, 246, 0.2); color: var(--a2-color); }
.dict-word .level-tag.B1 { background: rgba(245, 158, 11, 0.2); color: var(--b1-color); }
.dict-word .level-tag.B2 { background: rgba(239, 68, 68, 0.2); color: var(--b2-color); }

/* ==================== USTAWIENIA ==================== */
.settings-section {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 18px;
    border-radius: 16px;
    margin-bottom: 14px;
}

.settings-section h3 {
    font-size: 1rem;
    margin-bottom: 14px;
    font-weight: 700;
    color: var(--primary-light);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--card-border);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item label {
    font-size: 0.9rem;
    font-weight: 500;
}

.setting-item select,
.setting-item input[type="range"] {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    background: var(--glass);
    color: var(--text);
}

/* Toggle switch */
.toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--glass);
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background: var(--text-muted);
    transition: all 0.3s ease;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background: var(--primary);
    border-color: var(--primary);
}

input:checked + .toggle-slider:before {
    background: white;
    transform: translateX(24px);
}

.danger-zone {
    border-color: var(--danger);
}

.danger-zone h3 {
    color: var(--danger);
}

.danger-btn {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--danger);
    color: var(--danger);
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.danger-btn:hover {
    background: var(--danger);
    color: white;
}

/* ==================== DAILY PROGRESS ==================== */
.daily-progress {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 16px;
    border-radius: 14px;
    margin-bottom: 12px;
}

.daily-progress h3 {
    font-size: 0.9rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.daily-progress-bar {
    height: 10px;
    background: var(--glass);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 6px;
}

.daily-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), var(--success-light));
    border-radius: 8px;
    transition: width 0.5s ease;
}

.daily-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==================== WYKRESY ==================== */
.chart-container {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 18px;
    border-radius: 16px;
    margin-bottom: 14px;
}

.chart-container h3 {
    font-size: 0.95rem;
    margin-bottom: 14px;
    font-weight: 700;
}

.chart-container canvas {
    max-height: 200px;
}

/* ==================== INSTALL PROMPT ==================== */
.install-prompt {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 14px 20px;
    border-radius: 16px;
    z-index: 1000;
    animation: slideUp 0.5s ease;
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateX(-50%) translateY(100px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.install-prompt.hidden {
    display: none;
}

.install-content {
    display: flex;
    align-items: center;
    gap: 14px;
}

.install-content span {
    font-weight: 600;
}

.install-content button {
    padding: 8px 18px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.install-content button:first-of-type {
    background: white;
    color: var(--primary);
}

.install-content button:first-of-type:hover {
    transform: scale(1.05);
}

.install-content .close-btn {
    background: transparent;
    color: white;
    font-size: 1.2rem;
    padding: 4px 8px;
}

/* ==================== TYPING GAME ==================== */
.typing-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 24px;
    border-radius: 18px;
    text-align: center;
}

.typing-word {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.typing-hint {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 18px;
}

.typing-input {
    width: 100%;
    padding: 14px;
    font-size: 1.1rem;
    text-align: center;
    border: 2px solid var(--card-border);
    border-radius: 14px;
    background: var(--glass);
    color: var(--text);
    transition: all 0.3s ease;
}

.typing-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 25px rgba(99, 102, 241, 0.2);
}

.typing-input.correct {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.1);
    box-shadow: 0 0 25px rgba(34, 197, 94, 0.2);
}

.typing-input.wrong {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
    box-shadow: 0 0 25px rgba(239, 68, 68, 0.2);
}

.typing-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: 22px;
}

.typing-stat {
    text-align: center;
    background: var(--glass);
    border: 1px solid var(--card-border);
    padding: 16px 28px;
    border-radius: 14px;
}

.typing-stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.typing-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.typing-feedback {
    text-align: center;
    padding: 16px;
    border-radius: 14px;
    margin-top: 16px;
    font-weight: 700;
}

.typing-feedback.success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
}

.typing-feedback.error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.typing-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 22px;
}

.typing-buttons button {
    padding: 12px 28px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.typing-buttons button:hover {
    transform: translateY(-2px);
}

.skip-btn {
    background: var(--glass);
    border: 1px solid var(--card-border);
    color: var(--text);
}

.skip-btn:hover {
    border-color: var(--primary);
}

.hint-btn {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

/* ==================== ROZBUDOWANY CZAT AI ==================== */
.chat-stats-mini {
    display: flex;
    gap: 16px;
    font-size: 0.9rem;
}

.chat-stats-mini span {
    background: var(--glass);
    border: 1px solid var(--card-border);
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 500;
}

/* Misje */
.chat-mission {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 16px;
    padding: 14px 18px;
    margin-bottom: 14px;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.chat-mission::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s infinite;
}

.mission-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.mission-title {
    font-weight: 700;
}

.mission-progress {
    height: 8px;
    background: rgba(255,255,255,0.3);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}

.mission-progress-bar {
    height: 100%;
    background: white;
    border-radius: 6px;
    transition: width 0.3s ease;
}

.mission-steps {
    font-size: 0.8rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* Scenariusze */
.chat-scenario-tabs {
    margin-bottom: 14px;
}

.scenario-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

/* Wiadomości czatu - rozszerzone */
.chat-message .correction {
    display: block;
    margin-top: 10px;
    padding: 10px 14px;
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid var(--danger);
    border-radius: 0 10px 10px 0;
    font-size: 0.85rem;
}

.chat-message .correction-success {
    background: rgba(34, 197, 94, 0.1);
    border-left-color: var(--success);
}

.correction-text {
    color: var(--danger);
}

.correction-correct {
    color: var(--success);
    font-weight: 700;
}

/* Przyciski akcji przy wiadomości */
.message-actions {
    display: flex;
    gap: 6px;
    margin-top: 6px;
    justify-content: flex-end;
}

.message-actions button {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: 14px;
    font-size: 0.7rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.message-actions button:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Ocena gramatyczna */
.grammar-score {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    padding: 5px 12px;
    background: var(--glass);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    font-size: 0.75rem;
    font-weight: 600;
}

.grammar-score.excellent { color: var(--success); border-color: var(--success); }
.grammar-score.good { color: var(--primary); border-color: var(--primary); }
.grammar-score.fair { color: var(--warning); border-color: var(--warning); }
.grammar-score.poor { color: var(--danger); border-color: var(--danger); }

/* Podpowiedzi gramatyczne */
.grammar-tip {
    display: block;
    margin-top: 10px;
    padding: 10px 14px;
    background: rgba(99, 102, 241, 0.1);
    border-left: 4px solid var(--primary);
    border-radius: 0 10px 10px 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.grammar-tip strong {
    color: var(--primary-light);
}

/* Panel pomocy */
.chat-help-panel {
    margin-top: 12px;
}

.help-toggle {
    width: 100%;
    padding: 12px;
    background: var(--glass);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.help-toggle:hover {
    border-color: var(--primary);
}

.help-content {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 0 0 12px 12px;
    padding: 16px;
    margin-top: -6px;
}

.help-content p {
    margin-bottom: 12px;
    color: var(--text-muted);
}

#helpPhrases {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

#helpPhrases button {
    background: var(--glass);
    border: 1px solid var(--card-border);
    padding: 7px 14px;
    border-radius: 18px;
    color: var(--text);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

#helpPhrases button:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Tłumaczenie popup */
.translation-popup {
    position: fixed;
    bottom: 110px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 16px 28px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    z-index: 1000;
    animation: popIn 0.3s ease;
}

@keyframes popIn {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.translation-popup .original {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.translation-popup .translated {
    font-size: 1.1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Ukończenie misji */
.mission-complete {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--success), #16a34a);
    padding: 35px 55px;
    border-radius: 24px;
    text-align: center;
    color: white;
    z-index: 1000;
    animation: bounceIn 0.5s ease;
    box-shadow: 0 20px 60px rgba(34, 197, 94, 0.4);
}

@keyframes bounceIn {
    0% { transform: translate(-50%, -50%) scale(0); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
    100% { transform: translate(-50%, -50%) scale(1); }
}

.mission-complete h3 {
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.mission-complete .xp-earned {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 400px) {
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .flashcard {
        height: 180px;
    }
    
    .flashcard-front,
    .flashcard-back {
        font-size: 1.2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .typing-stats {
        flex-direction: column;
        gap: 10px;
    }
}

/* ==================== SCROLL SMOOTH ==================== */
html {
    scroll-behavior: smooth;
}

/* Ukryte scrollbary — natywny wygląd */
* {
    scrollbar-width: none;
    -ms-overflow-style: none;
}
*::-webkit-scrollbar {
    display: none;
}

/* ==================== SELECTION ==================== */
::selection {
    background: var(--primary);
    color: white;
}

/* ==================== ANIMATIONS ==================== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.floating {
    animation: float 3s ease-in-out infinite;
}

/* ==================== BOTTOM NAVIGATION BAR ==================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(56px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: var(--darker);
    border-top: 1px solid var(--card-border);
    display: flex;
    align-items: stretch;
    z-index: 1000;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.3);
}

body.light-mode .bottom-nav {
    background: #ffffff;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
}

.bnav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    background: transparent;
    border: none;
    color: var(--text-muted, #64748b);
    padding: 6px 4px;
    transition: color 0.15s ease;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

.bnav-btn.active {
    color: var(--primary);
}

.bnav-btn:active {
    opacity: 0.7;
}

.bnav-icon {
    font-size: 1.4rem;
    line-height: 1;
}

.bnav-label {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Push app content above the bottom nav */
.app {
    padding-bottom: calc(56px + env(safe-area-inset-bottom) + 8px) !important;
}

/* ==================== KALENDARZ NAUKI ==================== */
.streak-calendar-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 16px;
    margin: 16px 0;
}
.streak-calendar-section h3 {
    color: var(--text);
    margin-bottom: 12px;
    font-size: 0.95rem;
}
.streak-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}
.streak-day {
    aspect-ratio: 1;
    border-radius: 4px;
    min-width: 0;
    cursor: default;
    position: relative;
}
.streak-day.day-label {
    font-size: 0.55rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}
.streak-day.day-0   { background: var(--glass); border: 1px solid var(--card-border); }
.streak-day.day-low  { background: rgba(99,102,241,0.35); }
.streak-day.day-mid  { background: rgba(99,102,241,0.65); }
.streak-day.day-high { background: var(--primary); box-shadow: 0 0 6px rgba(99,102,241,0.5); }
.streak-day.day-today { outline: 2px solid var(--warning); outline-offset: 1px; }
.calendar-legend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.legend-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 3px;
}
.legend-dot.day-0   { background: var(--glass); border: 1px solid var(--card-border); }
.legend-dot.day-low  { background: rgba(99,102,241,0.35); }
.legend-dot.day-mid  { background: rgba(99,102,241,0.65); }
.legend-dot.day-high { background: var(--primary); }

/* ==================== POSTĘP PER KATEGORIA ==================== */
.category-progress-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 16px;
    margin: 16px 0;
}
.category-progress-section h3 {
    color: var(--text);
    margin-bottom: 12px;
    font-size: 0.95rem;
}
.cat-progress-item {
    display: grid;
    grid-template-columns: 110px 1fr 50px;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.cat-progress-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cat-progress-bar {
    height: 7px;
    background: var(--glass);
    border-radius: 4px;
    overflow: hidden;
}
.cat-progress-fill {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.4s ease;
}
.cat-progress-count {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-align: right;
}

/* ==================== POWTÓRKA + TRYB ODWRÓCONY ==================== */
.review-btn .icon {
    position: relative;
    display: inline-block;
}

.review-badge {
    position: absolute;
    top: -4px;
    right: -6px;
    background: #e74c3c;
    color: #fff;
    border-radius: 10px;
    font-size: 0.6rem;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    padding: 0 4px;
    text-align: center;
    pointer-events: none;
}

.review-badge.hidden {
    display: none;
}

.flashcard-extra-controls {
    display: flex;
    justify-content: center;
    margin-top: 8px;
}

.reverse-btn {
    background: var(--glass);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 6px 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.reverse-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.example-block {
    margin-top: 12px;
    width: 100%;
}

.example {
    font-size: 0.85em;
    color: var(--text-secondary, #888);
    font-style: italic;
    margin: 0 0 6px 0;
    line-height: 1.4;
}

.example-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 6px;
}

.example-btn {
    background: var(--glass);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 4px 12px;
    font-size: 0.82em;
    cursor: pointer;
    color: var(--text);
    transition: all 0.2s;
}

.example-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.example-btn:disabled {
    opacity: 0.6;
    cursor: default;
}

.example-translation {
    font-size: 0.82em;
    color: var(--primary);
    font-style: normal;
    margin: 0;
    min-height: 1.2em;
}