/* main.css - Styles principaux de l'application */

/* ===== Variables CSS ===== */
:root {
    --israel-blue: #0038b8;
    --israel-blue-dark: #00216c;
    --israel-blue-light: #0048eb;
    --white: #ffffff;
    --gray-light: #f7f9fc;
    --gray-medium: #e1e8f0;
    --gray-dark: #2c3e50;
    --gold: #FFD700;
    --success: #229954;
    --error: #e74c3c;
    --warning: #ff9800;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Heebo', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ===== Decorative Elements ===== */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--israel-blue) 0%, var(--white) 50%, var(--israel-blue) 100%);
    z-index: 1000;
}

.magen-david-bg {
    position: fixed;
    opacity: 0.03;
    z-index: 0;
    pointer-events: none;
    width: 150px;
    height: 150px;
    top: 10%;
    left: 5%;
}

.magen-david-bg:nth-child(2) {
    top: 60%;
    right: 5%;
    width: 200px;
    height: 200px;
}

/* ===== Main Container ===== */
.container {
    max-width: 1000px;
    margin: 40px auto;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 10;
    border: 1px solid var(--gray-medium);
}

/* ===== Header ===== */
.header {
    background: linear-gradient(135deg, var(--israel-blue-dark) 0%, var(--israel-blue) 100%);
    color: var(--white);
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before,
.header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--white);
}

.header::before { top: 20px; }
.header::after { bottom: 20px; }

.main-emblem {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 3s infinite;
}

.main-emblem svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

h1 {
    font-size: 3em;
    font-weight: 900;
    margin-bottom: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.subtitle {
    font-size: 1.2em;
    font-weight: 300;
    letter-spacing: 2px;
    opacity: 0.95;
}

.credits {
    font-size: 1em;
    opacity: 0.8;
    margin-top: 10px;
    font-weight: 300;
}

.hebrew-title {
    font-size: 2em;
    margin-bottom: 10px;
    opacity: 0.9;
}

/* ===== Sections ===== */
section {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Form Section ===== */
.form-section {
    padding: 50px;
    background: var(--gray-light);
    position: relative;
}

.form-title {
    color: var(--israel-blue-dark);
    margin-bottom: 30px;
    font-size: 1.5em;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    padding-left: 20px;
}

.form-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 100%;
    background: var(--israel-blue);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.form-group {
    position: relative;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--gray-dark);
    font-weight: 500;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

input[type="text"],
input[type="email"] {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--gray-medium);
    font-size: 16px;
    transition: var(--transition);
    background: var(--white);
    font-family: 'Heebo', sans-serif;
    border-radius: 4px;
}

input:focus {
    outline: none;
    border-color: var(--israel-blue);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.error-message {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
    font-weight: 500;
}

/* ===== Category Section ===== */
.category-menu-section {
    padding: 50px;
}

.category-menu-title {
    text-align: center;
    color: var(--israel-blue-dark);
    font-size: 2em;
    margin-bottom: 40px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.quiz-type-selector {
    background: linear-gradient(135deg, var(--gray-light), var(--white));
    padding: 30px;
    margin: 30px 0;
    border-radius: 10px;
    border: 2px solid var(--israel-blue);
}

.quiz-type-title {
    text-align: center;
    color: var(--israel-blue-dark);
    font-size: 1.5em;
    margin-bottom: 25px;
    font-weight: 700;
    text-transform: uppercase;
}

.quiz-type-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.quiz-type-card {
    background: var(--white);
    border: 3px solid var(--gray-medium);
    padding: 25px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border-radius: 8px;
}

.quiz-type-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--israel-blue);
}

.quiz-type-card.selected {
    background: linear-gradient(135deg, var(--israel-blue), var(--israel-blue-dark));
    color: var(--white);
    border-color: var(--israel-blue-dark);
}

.quiz-type-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.quiz-type-name {
    font-size: 1.3em;
    font-weight: 700;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.quiz-type-features {
    font-size: 0.9em;
    text-align: left;
    margin-top: 15px;
    line-height: 1.8;
}

.quiz-type-features li {
    list-style: none;
    position: relative;
    padding-left: 25px;
    margin-bottom: 8px;
}

.quiz-type-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.quiz-type-card.selected .quiz-type-features li::before {
    color: var(--white);
}

.quiz-mode-selector {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.mode-btn {
    padding: 15px 30px;
    border: 3px solid var(--israel-blue);
    background: var(--white);
    color: var(--israel-blue);
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Heebo', sans-serif;
    border-radius: 4px;
}

.mode-btn.active,
.mode-btn:hover {
    background: var(--israel-blue);
    color: var(--white);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.category-card {
    background: var(--white);
    border: 3px solid var(--gray-medium);
    padding: 30px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.category-card:hover {
    border-color: var(--israel-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-card.selected {
    background: linear-gradient(135deg, var(--israel-blue), var(--israel-blue-dark));
    color: var(--white);
    border-color: var(--israel-blue-dark);
}

.category-icon {
    font-size: 3em;
    margin-bottom: 20px;
    display: block;
    text-align: center;
}

.category-name {
    font-size: 1.3em;
    font-weight: 700;
    margin-bottom: 10px;
    text-align: center;
    text-transform: uppercase;
}

.category-description {
    font-size: 0.9em;
    text-align: center;
    opacity: 0.8;
}

.category-questions {
    margin-top: 15px;
    text-align: center;
    font-weight: 500;
    color: var(--israel-blue);
}

.category-card.selected .category-questions {
    color: var(--white);
}

/* ===== Quiz Section ===== */
.quiz-section {
    padding: 50px;
}

.progress-container {
    background: var(--gray-light);
    padding: 20px;
    margin: -50px -50px 40px -50px;
    border-bottom: 2px solid var(--gray-medium);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.9em;
    color: var(--gray-dark);
    font-weight: 500;
}

.progress-bar {
    background: var(--gray-medium);
    height: 12px;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
}

.progress-fill {
    background: linear-gradient(90deg, var(--israel-blue), var(--israel-blue-light));
    height: 100%;
    width: 0%;
    transition: width 0.5s ease-in-out;
    box-shadow: 0 0 10px rgba(0,56,184,0.5);
}

.timer-container {
    background: var(--white);
    border: 2px solid var(--israel-blue);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.timer-label {
    font-weight: 700;
    color: var(--gray-dark);
    text-transform: uppercase;
    font-size: 0.9em;
}

.timer-display {
    font-size: 1.8em;
    font-weight: 900;
    color: var(--israel-blue);
    font-family: 'Courier New', monospace;
}

.timer-display.warning {
    color: var(--warning);
    animation: pulse 1s infinite;
}

.timer-display.danger {
    color: var(--error);
    animation: pulse 0.5s infinite;
}

.timer-bar {
    height: 4px;
    background: var(--gray-medium);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 10px;
}

.timer-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--israel-blue), var(--israel-blue-light));
    transition: width 1s linear;
}

.timer-fill.warning {
    background: linear-gradient(90deg, var(--warning), #f57c00);
}

.timer-fill.danger {
    background: linear-gradient(90deg, var(--error), #c0392b);
}

.practice-mode-notice {
    background: rgba(76, 175, 80, 0.1);
    border: 2px solid #4CAF50;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    color: #4CAF50;
    font-weight: 600;
    margin-bottom: 20px;
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--israel-blue), var(--israel-blue-dark));
    color: var(--white);
    padding: 12px 24px;
    margin-bottom: 30px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9em;
    box-shadow: var(--shadow-md);
    border-radius: 4px;
}

.question-card {
    background: var(--white);
    border: 2px solid var(--gray-medium);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-sm);
    position: relative;
    border-radius: 8px;
}

.question-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--israel-blue);
    border-radius: 4px 0 0 4px;
}

.question-number {
    color: var(--israel-blue);
    font-size: 0.9em;
    font-weight: 700;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.question-text {
    color: var(--gray-dark);
    font-size: 1.4em;
    line-height: 1.6;
    margin-bottom: 30px;
    font-weight: 500;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.option {
    background: var(--gray-light);
    border: 3px solid transparent;
    padding: 20px 25px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    position: relative;
    font-size: 1.1em;
    border-radius: 8px;
}

.option:hover:not(.disabled) {
    border-color: var(--israel-blue);
    background: var(--white);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.option:focus {
    outline: 2px solid var(--israel-blue);
    outline-offset: 2px;
}

.option.selected {
    background: linear-gradient(135deg, var(--israel-blue), var(--israel-blue-dark));
    color: var(--white);
    border-color: var(--israel-blue-dark);
    box-shadow: var(--shadow-md);
}

.option.correct {
    background: linear-gradient(135deg, var(--success), #1e8449) !important;
    color: var(--white) !important;
    border-color: #1e8449 !important;
    animation: pulse-correct 1s ease-in-out;
}

.option.incorrect {
    background: linear-gradient(135deg, var(--error), #c0392b) !important;
    color: var(--white) !important;
    border-color: #c0392b !important;
}

.option.show-correct {
    background: linear-gradient(135deg, #28a745, #218838) !important;
    color: var(--white) !important;
    border-color: #1e7e34 !important;
    animation: pulse-correct 1s ease-in-out;
}

.option.disabled {
    pointer-events: none;
    opacity: 0.8;
}

.option-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-right: 15px;
    border: 2px solid currentColor;
    font-weight: 700;
    font-size: 1.1em;
    border-radius: 50%;
    flex-shrink: 0;
}

.hint-button {
    background: linear-gradient(135deg, var(--warning), #F57C00);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    margin: 15px 0;
    cursor: pointer;
    font-weight: 600;
    text-transform: uppercase;
    transition: var(--transition);
    border-radius: 5px;
    font-family: 'Heebo', sans-serif;
}

.hint-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hint-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.hint-text {
    background: #FFF3E0;
    border-left: 4px solid var(--warning);
    padding: 15px;
    margin: 15px 0;
    display: none;
    animation: slideDown 0.3s ease-out;
    border-radius: 4px;
}

.hint-text.show {
    display: block;
}

.explanation-section {
    background: #f0f8ff;
    border-left: 4px solid var(--israel-blue);
    padding: 20px;
    margin: 20px 0;
    display: none;
    animation: slideDown 0.4s ease-out;
    border-radius: 4px;
}

.explanation-section.show {
    display: block;
}

.explanation-section.correct {
    background: #e8f5e9;
    border-left-color: var(--success);
}

.explanation-section.incorrect {
    background: #ffebee;
    border-left-color: var(--error);
}

.explanation-title {
    font-weight: 700;
    color: var(--israel-blue-dark);
    margin-bottom: 10px;
    font-size: 1.1em;
}

.explanation-text {
    color: var(--gray-dark);
    line-height: 1.6;
}

.source-link {
    color: var(--israel-blue);
    text-decoration: none;
    font-size: 0.9em;
    margin-top: 10px;
    display: inline-block;
}

.source-link:hover {
    text-decoration: underline;
}

.auto-progress-notice {
    background: rgba(0, 56, 184, 0.1);
    padding: 10px;
    border-radius: 5px;
    margin-top: 15px;
    text-align: center;
    font-weight: 600;
    color: var(--israel-blue);
    animation: pulse 2s infinite;
}

/* ===== Buttons ===== */
.button-container {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 40px 50px;
    background: var(--gray-light);
    margin: 0 -50px -50px -50px;
    border-top: 2px solid var(--gray-medium);
}

.btn {
    padding: 18px 40px;
    border: none;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    font-family: 'Heebo', sans-serif;
    border-radius: 4px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--israel-blue), var(--israel-blue-dark));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--israel-blue);
    border: 3px solid var(--israel-blue);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--israel-blue);
    color: var(--white);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

.btn:focus {
    outline: 2px solid var(--israel-blue);
    outline-offset: 2px;
}

/* ===== Animations ===== */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes pulse-correct {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .container {
        margin: 0;
        border-radius: 0;
    }
    
    h1 { font-size: 2em; }
    
    .form-section,
    .quiz-section,
    .category-menu-section {
        padding: 30px 20px;
    }
    
    .button-container {
        padding: 30px 20px;
        margin: 0 -20px -30px -20px;
        flex-direction: column;
    }
    
    .question-card {
        padding: 25px;
    }
    
    .form-grid,
    .category-grid,
    .quiz-type-options {
        grid-template-columns: 1fr;
    }
    
    .quiz-mode-selector {
        flex-direction: column;
    }
    
    .timer-container {
        flex-direction: column;
        gap: 10px;
    }
}