/**
 * Styles de la Plateforme de Choix des Thèmes de Soutenance
 * CONAFOR / AEEECI
 *
 * Palette de couleurs :
 * - #CB2821 : Rouge principal (CONAFOR)
 * - #145B48 : Vert foncé / teal
 * - #30A07F : Vert principal
 * - #E9DFC8 : Beige clair / accent
 */

/* ================================
   VARIABLES CSS
   ================================ */
:root {
    /* Couleurs principales */
    --color-primary: #CB2821;
    --color-primary-dark: #A51F1A;
    --color-primary-light: #E63229;
    --color-secondary: #145B48;
    --color-accent: #30A07F;
    --color-accent-light: #4DB896;
    --color-beige: #E9DFC8;

    /* Couleurs neutres */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Couleurs de statut */
    --color-success: #10B981;
    --color-success-light: #D1FAE5;
    --color-warning: #F59E0B;
    --color-warning-light: #FEF3C7;
    --color-error: #EF4444;
    --color-error-light: #FEE2E2;
    --color-info: #3B82F6;
    --color-info-light: #DBEAFE;

    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Typographie */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Effets */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 220ms ease;
    --transition-slow: 300ms ease;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
}

/* ================================
   RESET & BASE
   ================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ================================
   UTILITAIRES
   ================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ================================
   HEADER
   ================================ */
.main-header {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.logos {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.logo {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-welcome {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ================================
   PAGE D'AUTHENTIFICATION
   ================================ */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-beige) 0%, var(--color-gray-100) 100%);
}

.auth-container {
    width: 100%;
    max-width: 480px;
    margin: var(--spacing-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.auth-header .logos {
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.auth-header .logo {
    height: 65px;
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    line-height: 1.3;
}

.auth-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    font-weight: 600;
}

.auth-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

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

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.card-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ================================
   FORMULAIRES
   ================================ */
.auth-form, .form {
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    background: var(--color-white);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(48, 160, 127, 0.1);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-help {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

/* ================================
   BOUTONS
   ================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    user-select: none;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(48, 160, 127, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-gray-200);
    border-color: var(--color-gray-400);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-icon-left {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-xs);
}

/* ================================
   ALERTES
   ================================ */
.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    animation: slideDown 0.3s ease;
}

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

.alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.alert-success {
    background: var(--color-success-light);
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.alert-error {
    background: var(--color-error-light);
    color: #991B1B;
    border: 1px solid #FECACA;
}

.alert-warning {
    background: var(--color-warning-light);
    color: #92400E;
    border: 1px solid #FDE68A;
}

.alert-info {
    background: var(--color-info-light);
    color: #1E40AF;
    border: 1px solid #BFDBFE;
}

/* ================================
   CONTENU PRINCIPAL
   ================================ */
.main-content {
    flex: 1;
    padding: var(--spacing-2xl) 0;
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.page-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
}

/* ================================
   RECHERCHE
   ================================ */
.search-section {
    margin-bottom: var(--spacing-2xl);
}

.search-box {
    position: relative;
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3rem;
    font-size: var(--font-size-base);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    background: var(--color-white);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(48, 160, 127, 0.1);
}

.search-result-count {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ================================
   GRILLE DES THÈMES
   ================================ */
.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.theme-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.theme-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.theme-card-header {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-beige) 0%, var(--color-gray-50) 100%);
    border-bottom: 2px solid var(--color-gray-200);
}

.theme-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.theme-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-full);
}

.theme-card-body {
    padding: var(--spacing-lg);
}

.theme-quota {
    margin-bottom: var(--spacing-md);
}

.quota-bar {
    width: 100%;
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.quota-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    transition: width var(--transition-slow);
    border-radius: var(--radius-full);
}

.quota-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    text-align: center;
}

.theme-card-footer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

/* ================================
   ÉTAT VIDE
   ================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.empty-icon {
    width: 64px;
    height: 64px;
    color: var(--color-gray-400);
    margin: 0 auto var(--spacing-lg);
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
}

/* ================================
   MODAL
   ================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalScale 0.22s ease;
}

@keyframes modalScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    border-bottom: 2px solid var(--color-gray-200);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.modal-close {
    background: none;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    color: var(--color-gray-500);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon-warning {
    color: var(--color-warning);
}

.modal-text {
    text-align: center;
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.modal-theme-name {
    text-align: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: var(--color-beige);
    border-radius: var(--radius-md);
}

.modal-warning {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-warning);
    background: var(--color-warning-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.modal-user-info {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    border-top: 2px solid var(--color-gray-200);
}

.modal-footer .btn {
    flex: 1;
}

.modal-footer form {
    flex: 1;
}

/* ================================
   PAGE SUCCESS
   ================================ */
.success-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-3xl);
    max-width: 700px;
    margin: 0 auto;
    animation: slideUp 0.4s ease;
}

.success-icon-wrapper {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.success-icon {
    width: 80px;
    height: 80px;
    color: var(--color-success);
    animation: checkmarkPulse 0.5s ease;
}

@keyframes checkmarkPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
}

.success-title {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.success-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
}

.success-details {
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
}

.detail-value {
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    text-align: right;
}

.detail-value-highlight {
    font-weight: 700;
    color: var(--color-primary);
}

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-success {
    background: var(--color-success-light);
    color: #065F46;
}

.success-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.success-actions .btn {
    flex: 1;
}

.success-info {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-info-light);
    border-radius: var(--radius-md);
    border: 1px solid #BFDBFE;
}

.info-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-info);
}

.success-info p {
    font-size: var(--font-size-sm);
    color: #1E40AF;
    margin: 0;
}

/* ================================
   FOOTER
   ================================ */
.main-footer {
    background: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ================================
   ANIMATIONS SUPPLÉMENTAIRES
   ================================ */
.animate-slide-down {
    animation: slideDown 0.3s ease;
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .logos {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .logo {
        height: 40px;
    }

    .user-info {
        flex-direction: column;
    }

    .themes-grid {
        grid-template-columns: 1fr;
    }

    .success-actions {
        flex-direction: column;
    }

    .modal-footer {
        flex-direction: column;
    }

    .page-title {
        font-size: var(--font-size-2xl);
    }

    .success-title {
        font-size: var(--font-size-2xl);
    }

    .auth-card, .success-card {
        padding: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .modal-content {
        margin: var(--spacing-md);
    }
}

/* ================================
   IMPRESSION
   ================================ */
@media print {
    .main-header,
    .main-footer,
    .success-actions,
    .btn {
        display: none !important;
    }

    .success-card {
        box-shadow: none;
        border: 1px solid var(--color-gray-300);
    }

    body {
        background: white;
    }
}