/* ============================================
   INSTAGRUME - Design System
   Thème minimaliste avec Radix Colors (Jade)
   ============================================ */

/* --- Variables de couleurs Radix Amber --- */
:root {
    /* Radix Amber Scale */
    --amber-1: #fefdfb;
    --amber-2: #fefbe9;
    --amber-3: #fff7c2;
    --amber-4: #ffee9c;
    --amber-5: #fbe577;
    --amber-6: #f3d673;
    --amber-7: #e9c162;
    --amber-8: #e2a336;
    --amber-9: #ffc53d;
    --amber-10: #ffba18;
    --amber-11: #ab6400;
    --amber-12: #4f3422;

    /* Couleurs sémantiques */
    --color-primary: var(--amber-9);
    --color-primary-hover: var(--amber-10);
    --color-primary-active: var(--amber-11);
    --color-primary-light: var(--amber-3);

    --color-background: #fafafa;
    --color-background-alt: #f5f5f5;
    --color-surface: #ffffff;
    --color-surface-hover: var(--amber-2);

    --color-text-primary: #0a0a0a;
    --color-text-secondary: #525252;
    --color-text-muted: #737373;

    --color-border: #d4d4d4;
    --color-border-light: #e5e5e5;

    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-success: #3e9b4f;

    /* Ombres renforcées */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);

    /* 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;

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

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Typographie */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, 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;
}

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

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

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background-alt);
    min-height: 100vh;
}

/* --- Typographie --- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-4xl);
}
h2 {
    font-size: var(--font-size-3xl);
}
h3 {
    font-size: var(--font-size-2xl);
}
h4 {
    font-size: var(--font-size-xl);
}
h5 {
    font-size: var(--font-size-lg);
}
h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

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

.container-sm {
    max-width: 800px;
}

.container-lg {
    max-width: 1400px;
}

/* --- Navigation --- */
.navbar {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    text-decoration: none;
}

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

.navbar-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.navbar-search {
    flex: 1;
    max-width: 500px;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    list-style: none;
}

.navbar-nav a {
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-nav a:hover {
    background-color: var(--color-surface-hover);
}

/* --- Boutons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-surface-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--color-surface-hover);
    color: var(--color-primary);
}

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

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

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.btn-spec:hover {
    color: white;
}

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

.form-label {
    display: block;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

/* --- Cards --- */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

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

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
    background-color: var(--color-background-alt);
}

/* --- Grid de publications --- */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.publication-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    box-shadow: var(--shadow-card);
}

.publication-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.publication-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
}

.publication-info {
    padding: var(--spacing-md);
}

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    border: 1px solid;
}

.badge-admin {
    background-color: #fee2e2;
    color: #991b1b;
    border-color: #fecaca;
}

.badge-mod {
    background-color: var(--amber-2);
    color: var(--amber-11);
    border-color: var(--amber-6);
}

.badge-banned {
    background-color: #f3f4f6;
    color: #1f2937;
    border-color: #d1d5db;
}

/* --- Alerts --- */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    border: 1px solid;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border-color: #93c5fd;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border-color: #6ee7b7;
}

.alert-warning {
    background-color: var(--amber-2);
    color: var(--amber-11);
    border-color: var(--amber-6);
}

.alert-error,
.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
    border-color: #fecaca;
}

/* --- Utilitaires --- */
.text-center {
    text-align: center;
}
.text-right {
    text-align: right;
}
.text-left {
    text-align: left;
}

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

.mb-0 {
    margin-bottom: 0;
}
.mb-1 {
    margin-bottom: var(--spacing-sm);
}
.mb-2 {
    margin-bottom: var(--spacing-md);
}
.mb-3 {
    margin-bottom: var(--spacing-lg);
}
.mb-4 {
    margin-bottom: var(--spacing-xl);
}
.mb-5 {
    margin-bottom: var(--spacing-2xl);
}

.mt-0 {
    margin-top: 0;
}
.mt-1 {
    margin-top: var(--spacing-sm);
}
.mt-2 {
    margin-top: var(--spacing-md);
}
.mt-3 {
    margin-top: var(--spacing-lg);
}
.mt-4 {
    margin-top: var(--spacing-xl);
}
.mt-5 {
    margin-top: var(--spacing-2xl);
}

.flex {
    display: flex;
}
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}
.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.gap-1 {
    gap: var(--spacing-sm);
}
.gap-2 {
    gap: var(--spacing-md);
}
.gap-3 {
    gap: var(--spacing-lg);
}

/* Carousel simple */
.carousel {
    position: relative;
    width: 100%;
    max-height: 600px;
    background: var(--color-surface);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
}

.carousel-inner {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.carousel-item {
    display: none;
    width: 100%;
}

.carousel-item.active {
    display: block;
}

.carousel-item img {
    width: 100%;
    height: 500px;
    object-fit: contain;
    background: var(--amber-1);
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    font-size: 1.25rem;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.carousel-control:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel-control-prev {
    left: var(--spacing-md);
}

.carousel-control-next {
    right: var(--spacing-md);
}

.comment-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
    transition: background-color var(--transition-fast);
}

.comment-item:hover {
    background-color: var(--color-background-alt);
}

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

.carousel-indicator.active {
    background: white !important;
    width: 24px !important;
}

/* --- Animation --- */
@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    :root {
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
    }

    .navbar-container {
        flex-wrap: wrap;
    }

    .navbar-search {
        order: 3;
        flex-basis: 100%;
        max-width: 100%;
        margin-top: var(--spacing-sm);
    }

    .publications-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }

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

    .card-body > div > div:last-child {
        flex-direction: column !important;
        width: 100%;
    }
    
    .card-body > div > div:last-child a,
    .card-body > div > div:last-child button {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .publications-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .container > div {
        grid-template-columns: 1fr !important;
    }
}