/* ========================================
   VARIABLES ET RESET
   ======================================== */
:root {
    --primary-color: #2E7D32;
    --primary-dark: #1B5E20;
    --primary-light: #4CAF50;
    --accent-color: #FF9800;
    --accent-dark: #F57C00;
    --accent-light: #FFB74D;

    --text-primary: #212121;
    --text-secondary: #757575;
    --text-light: #BDBDBD;

    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F5;
    --bg-tertiary: #EEEEEE;

    --border-color: #E0E0E0;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #F44336;
    --info-color: #2196F3;

    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 12px;

    --shadow-small: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-large: 0 8px 16px rgba(0, 0, 0, 0.2);

    --transition: all 0.3s ease;
    --spacing: 1rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   LAYOUT PRINCIPAL
   ======================================== */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-small);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing);
    height: 64px;
}

.main-content {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing);
}

.app-footer {
    background-color: var(--primary-color);
    color: white;
    margin-top: auto;
    padding: 2rem var(--spacing) 0;
}

/* ========================================
   HEADER / NAVIGATION
   ======================================== */
.logo-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
    transition: var(--transition);
}

.logo:hover {
    color: var(--primary-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--primary-color);
}

.auth-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ========================================
   BOUTONS
   ======================================== */
.btn-icon {
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.btn-icon:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.btn-icon svg {
    width: 24px;
    height: 24px;
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background-color: var(--error-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.btn-user {
    @apply btn-icon;
}

.btn-hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.btn-hamburger span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.btn-hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.btn-hamburger.active span:nth-child(2) {
    opacity: 0;
}

.btn-hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   MENUS DÉROULANTS
   ======================================== */
.user-menu-wrapper {
    position: relative;
}

.user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-large);
    min-width: 200px;
    margin-top: 0.5rem;
    display: none;
}

.user-menu.active {
    display: block;
}

.user-info {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.user-email {
    font-size: 0.85rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    text-align: left;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-size: 0.95rem;
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.dropdown-menu {
    max-height: 400px;
    overflow-y: auto;
}

.dropdown-item hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 0.5rem 0;
}

/* ========================================
   BUTTONS GÉNÉRIQUES
   ======================================== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-medium);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.btn-accent:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    width: 100%;
}

.btn-block {
    width: 100%;
}

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

/* ========================================
   FORMULAIRES
   ======================================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-group input:disabled,
.form-group textarea:disabled,
.form-group select:disabled {
    background-color: var(--bg-secondary);
    cursor: not-allowed;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--error-color);
}

.form-group.error .error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.form-group.success input,
.form-group.success textarea {
    border-color: var(--success-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-row.three {
    grid-template-columns: repeat(3, 1fr);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.form-checkbox label {
    margin-bottom: 0;
    cursor: pointer;
    user-select: none;
}

/* ========================================
   CARDS
   ======================================== */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-large);
    padding: 1.5rem;
    box-shadow: var(--shadow-small);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.card-body {
    margin-bottom: 1rem;
}

.card-footer {
    display: flex;
    gap: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

/* ========================================
   ALERTS ET MESSAGES
   ======================================== */
.alert {
    padding: 1rem;
    border-radius: var(--radius-medium);
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.alert-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    border-left: 4px solid var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    background-color: rgba(255, 152, 0, 0.1);
    border-left: 4px solid var(--warning-color);
    color: var(--warning-color);
}

.alert-error {
    background-color: rgba(244, 67, 54, 0.1);
    border-left: 4px solid var(--error-color);
    color: var(--error-color);
}

.alert-info {
    background-color: rgba(33, 150, 243, 0.1);
    border-left: 4px solid var(--info-color);
    color: var(--info-color);
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    pointer-events: none;
}

.toast {
    background-color: var(--bg-primary);
    border-left: 4px solid var(--info-color);
    border-radius: var(--radius-medium);
    padding: 1rem;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-large);
    animation: slideIn 0.3s ease;
    pointer-events: auto;
    max-width: 400px;
}

.toast.success {
    border-left-color: var(--success-color);
}

.toast.error {
    border-left-color: var(--error-color);
}

.toast.warning {
    border-left-color: var(--warning-color);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========================================
   LOADING INDICATOR
   ======================================== */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
    z-index: 2000;
}

.loading-indicator.active {
    display: block;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-secondary);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   MODALS
   ======================================== */
.modal-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-container.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    cursor: pointer;
}

.modal {
    position: relative;
    background-color: var(--bg-primary);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-large);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    justify-content: flex-end;
}

/* ========================================
   FOOTER
   ======================================== */
.footer-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 0.5rem 0;
    font-size: 0.9rem;
}

.footer-section a:hover {
    color: var(--accent-light);
}

.footer-disclaimer {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    margin: 0 var(--spacing) 1.5rem;
    border-radius: var(--radius-medium);
    border-left: 4px solid var(--accent-light);
}

.disclaimer-text {
    font-size: 0.9rem;
    text-align: center;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    text-align: center;
    padding-bottom: 1rem;
    font-size: 0.85rem;
}

.footer-links {
    margin-top: 0.5rem;
}

.offline-indicator {
    color: var(--accent-light);
    font-weight: 600;
}

/* ========================================
   UTILITAIRES
   ======================================== */
.hidden {
    display: none !important;
}

.hidden-mobile {
    display: block;
}

.hidden-desktop {
    display: none;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--text-secondary);
}

.text-small {
    font-size: 0.85rem;
}

.text-large {
    font-size: 1.2rem;
}

.mt-1 { margin-top: var(--spacing); }
.mt-2 { margin-top: calc(var(--spacing) * 2); }
.mt-3 { margin-top: calc(var(--spacing) * 3); }

.mb-1 { margin-bottom: var(--spacing); }
.mb-2 { margin-bottom: calc(var(--spacing) * 2); }
.mb-3 { margin-bottom: calc(var(--spacing) * 3); }

.p-1 { padding: var(--spacing); }
.p-2 { padding: calc(var(--spacing) * 2); }
.p-3 { padding: calc(var(--spacing) * 3); }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.gap-1 { gap: var(--spacing); }
.gap-2 { gap: calc(var(--spacing) * 2); }

.rounded {
    border-radius: var(--radius-medium);
}

.border {
    border: 1px solid var(--border-color);
}

.bg-primary {
    background-color: var(--primary-color);
    color: white;
}

.bg-secondary {
    background-color: var(--bg-secondary);
}

/* ========================================
   RESPONSIVE - TABLET
   ======================================== */
@media (max-width: 768px) {
    :root {
        --spacing: 0.75rem;
    }

    .hidden-mobile {
        display: none;
    }

    .hidden-desktop {
        display: block;
    }

    .btn-hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background-color: var(--bg-primary);
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: var(--transition);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        max-height: 400px;
    }

    .nav-link {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link.active::after {
        content: none;
    }

    .nav-link.active {
        background-color: var(--bg-secondary);
        color: var(--primary-color);
    }

    .header-container {
        height: auto;
        padding: 0.5rem var(--spacing);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-row.three {
        grid-template-columns: 1fr;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .modal {
        width: 95%;
    }

    .toast {
        max-width: 90vw;
    }

    .card {
        padding: 1rem;
    }
}

/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */
@media (max-width: 480px) {
    :root {
        --spacing: 0.5rem;
    }

    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .card-title {
        font-size: 1.1rem;
    }

    .modal {
        max-height: 95vh;
    }

    .toast-container {
        left: 0.5rem;
        right: 0.5rem;
    }

    .toast {
        max-width: 100%;
    }

    .footer-section {
        margin-bottom: 1rem;
    }
}

/* ============================================
   LANGUAGE SELECTOR STYLES
   ============================================ */
.language-selector {
    position: relative;
    margin-right: 12px;
}

.btn-lang {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    color: inherit;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-lang:hover {
    background: rgba(255,255,255,0.2);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    min-width: 140px;
    display: none;
    z-index: 1000;
    overflow: hidden;
}

.lang-dropdown.show {
    display: block;
}

.lang-dropdown button {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 16px;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 14px;
    color: #333;
    transition: background 0.2s;
}

.lang-dropdown button:hover {
    background: #f5f5f5;
}

/* Close dropdown when clicking outside */
.lang-dropdown button:focus {
    outline: none;
    background: #E8F5E9;
}