/* ============================================================
   Partage-Thicar — layout.css
   Structure générale : header, zones de contenu
   ============================================================ */

/* --- Conteneur racine de l'app --- */
#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================================
   Header principal (dashboard et éditeur)
   ============================================================ */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    padding: 0 var(--space-4);
    gap: var(--space-4);
    box-shadow: var(--shadow-sm);
}

.app-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--c-text);
    text-decoration: none;
    flex-shrink: 0;
}

.app-header__logo-icon {
    width: 32px;
    height: 32px;
    background: var(--c-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.app-header__spacer {
    flex: 1;
}

.app-header__user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.875rem;
    color: var(--c-text-muted);
}

.app-header__avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    background: var(--c-primary-light);
    color: var(--c-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.app-header__user-name {
    display: none;
    font-weight: 500;
    color: var(--c-text);
}

/* ============================================================
   Zone de contenu principale
   ============================================================ */
.app-main {
    flex: 1;
    padding: var(--space-6) var(--space-4);
    max-width: calc(var(--content-max) + var(--space-8));
    margin: 0 auto;
    width: 100%;
}

/* ============================================================
   Pages d'authentification (login / register)
   Layout centré avec carte
   ============================================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: var(--c-bg);
    position: relative;
    overflow: hidden;
}

/* Fond décoratif subtil */
.auth-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 20%, var(--c-primary-glow), transparent),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(14, 165, 160, 0.08), transparent);
    pointer-events: none;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--c-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--c-border);
    position: relative;
    z-index: 1;
    animation: card-in var(--transition-slow) both;
}

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

.auth-card__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.auth-card__logo-icon {
    width: 42px;
    height: 42px;
    background: var(--c-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.5px;
}

.auth-card__logo-text {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--c-text);
}

.auth-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: var(--space-2);
}

.auth-card__subtitle {
    font-size: 0.9rem;
    color: var(--c-text-muted);
    margin-bottom: var(--space-6);
}

.auth-card__footer {
    text-align: center;
    margin-top: var(--space-5);
    font-size: 0.875rem;
    color: var(--c-text-muted);
}

/* ============================================================
   Dashboard layout
   ============================================================ */
.dashboard-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.dashboard-header__title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--c-text);
    flex: 1;
    min-width: 0;
}

.dashboard-filters {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
    border-bottom: 2px solid var(--c-border);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

/* ============================================================
   État vide
   ============================================================ */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-4);
    color: var(--c-text-muted);
}

.empty-state__icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    opacity: 0.4;
}

.empty-state__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--space-2);
}

.empty-state__text {
    font-size: 0.9rem;
    margin-bottom: var(--space-6);
}

/* ============================================================
   Responsive — tablette et desktop
   ============================================================ */
@media (min-width: 640px) {
    .app-header {
        padding: 0 var(--space-6);
    }

    .app-main {
        padding: var(--space-8) var(--space-6);
    }

    .app-header__user-name {
        display: block;
    }

    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .app-main {
        padding: var(--space-8);
    }

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