/* ============================================================
   SEUUSS — Layout (Dashboard structure + Login)
   ============================================================ */

/* ── LOGIN PAGE ── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 50%, rgba(197,150,12,0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(160,82,45,0.06) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

.login-container {
    width: 100%;
    max-width: 440px;
    padding: var(--space-8);
    position: relative;
    z-index: 2;
    animation: fadeIn 0.6s ease forwards;
}

.login-card {
    background: rgba(255,255,255,0.97);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-xl), 0 0 80px rgba(197,150,12,0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.login-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.login-escudos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-bottom: var(--space-5);
}

.login-escudos img {
    height: 72px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.login-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary-800);
    margin-bottom: var(--space-1);
}

.login-subtitle {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    line-height: 1.4;
}

.login-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gray-100);
}

.login-footer p {
    font-size: var(--text-xs);
    color: var(--color-gray-400);
}

/* ── DASHBOARD LAYOUT ── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--gradient-sidebar);
    color: var(--color-white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: var(--z-sidebar);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-base);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    padding: var(--space-5) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    min-height: var(--header-height);
}

.sidebar-header img {
    height: 40px;
    width: auto;
    filter: brightness(1.2) drop-shadow(0 1px 3px rgba(0,0,0,0.3));
}

.sidebar-header .system-name {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    letter-spacing: 1px;
    color: var(--color-gold-300);
}

.sidebar-header .system-sub {
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.5);
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4) 0;
}

.nav-section-title {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.35);
    padding: var(--space-4) var(--space-5) var(--space-2);
    font-weight: var(--font-semibold);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    color: rgba(255,255,255,0.7);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    cursor: pointer;
    text-decoration: none;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: var(--color-white);
    border-left-color: var(--color-gold-400);
}

.nav-item.active {
    background: rgba(255,255,255,0.12);
    color: var(--color-gold-300);
    border-left-color: var(--color-gold-400);
}

.nav-item .nav-icon {
    width: 20px;
    text-align: center;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.06);
}

.sidebar-user .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--gradient-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    font-size: var(--text-sm);
    color: var(--color-primary-900);
    flex-shrink: 0;
}

.sidebar-user .user-info {
    flex: 1;
    overflow: hidden;
}

.sidebar-user .user-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user .user-role {
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.5);
}

/* Main content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top header */
.top-header {
    height: var(--header-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    box-shadow: var(--shadow-sm);
}

.top-header .page-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-gray-800);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.top-header .header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header-date {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Content area */
.content-area {
    flex: 1;
    padding: var(--space-6);
}

/* ── DASHBOARD GRID ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-5);
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .login-card {
        padding: var(--space-6);
    }
    .login-escudos img {
        height: 56px;
    }
}