/* Layout — cochilia aplicației: cotorul (sidebar), linia roșie de margine, topbar, conținut */

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ---------- Sidebar: cotorul registrului ---------- */
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-width);
    background: var(--color-sidebar);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    z-index: 40;
    transition: width var(--t-med), transform var(--t-med);
}

.sidebar { border-right: 1px solid var(--rail-line); }

.sidebar-header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 0 var(--sp-4);
    border-bottom: 1px solid var(--color-sidebar-border);
    flex-shrink: 0;
}

.sidebar-brand {
    color: var(--color-sidebar-text-active);
    font-size: var(--fs-14);
    font-weight: 500;
    letter-spacing: 0.01em;
    white-space: nowrap;
    overflow: hidden;
}
.sidebar-brand strong { font-weight: 700; }

.sidebar-brand-mark {
    width: 26px; height: 26px;
    border-radius: 6px;
    background: var(--color-accent);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--fs-12);
    font-family: var(--font-mono);
    flex-shrink: 0;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-3) 0 var(--sp-5);
}

.nav-section-label {
    color: var(--color-sidebar-label);
    padding: var(--sp-4) var(--sp-4) var(--sp-1);
    white-space: nowrap;
    overflow: hidden;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin: 1px 12px;
    padding: 9px 12px;
    border-radius: 9px;
    color: var(--color-sidebar-text);
    font-size: 13.5px;
    font-weight: 500;
    position: relative;
    white-space: nowrap;
    transition: background var(--t-fast), color var(--t-fast);
}
.nav-item .material-icons { font-size: 20px; width: 20px; flex-shrink: 0; }
.nav-item:hover { background: var(--color-sidebar-hover); color: var(--color-sidebar-text-active); text-decoration: none; }

/* Activ: fundal accent discret + bară de accent pe margine */
.nav-item.active { color: #fff; background: rgba(var(--accent-rgb), 0.16); }
.nav-item.active .material-icons { color: var(--color-accent); font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 0, 'opsz' 24; }
.nav-item.active::before {
    content: '';
    position: absolute;
    left: -12px; top: 50%; transform: translateY(-50%);
    width: 3px; height: 18px;
    border-radius: 0 3px 3px 0;
    background: var(--color-accent);
}

.nav-alert-badge {
    margin-left: auto;
    background: var(--color-rule);
    color: #fff;
    font-family: var(--font-mono);
    font-size: var(--fs-10);
    font-weight: 600;
    border-radius: 8px;
    padding: 1px 6px;
}

.sidebar-footer {
    border-top: 1px solid var(--color-sidebar-border);
    padding: var(--sp-3) var(--sp-4);
    font-size: var(--fs-11);
    color: var(--color-sidebar-label);
    font-family: var(--font-mono);
    white-space: nowrap;
    overflow: hidden;
}

/* Colapsat */
.sidebar.collapsed { width: var(--sidebar-collapsed); }
.sidebar.collapsed .sidebar-brand,
.sidebar.collapsed .nav-section-label,
.sidebar.collapsed .nav-item span:not(.material-icons),
.sidebar.collapsed .nav-alert-badge,
.sidebar.collapsed .sidebar-footer { display: none; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 10px 0; }

/* ---------- Zona principală ---------- */
.main-area {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-width: 0;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--t-med);
}
.app-layout.sidebar-collapsed .main-area { margin-left: var(--sidebar-collapsed); }
.app-layout.sidebar-collapsed .sidebar { width: var(--sidebar-collapsed); }

.topbar {
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    padding: 0 var(--sp-5);
    position: sticky;
    top: 0;
    z-index: 30;
}

.topbar-toggle { color: var(--color-ink-faint); display: inline-flex; }
.topbar-toggle:hover { color: var(--color-ink); }

.topbar-breadcrumb {
    font-size: var(--fs-13);
    color: var(--color-ink-faint);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
}
.topbar-breadcrumb .crumb-current { color: var(--color-ink); font-weight: 600; }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: var(--sp-3); }

.topbar-user, .user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 4px 10px 4px 5px;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    background: var(--color-surface);
    cursor: pointer;
}
.user-menu-trigger:hover { border-color: var(--color-border-strong); }
.topbar-user-avatar, .avatar-sm {
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-size: var(--fs-11);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.topbar-user-name, .user-menu-name { font-weight: 600; font-size: var(--fs-12); line-height: 1.2; white-space: nowrap; }
.user-menu-role {
    font-size: var(--fs-10);
    color: var(--color-ink-faint);
    text-transform: uppercase;
    letter-spacing: var(--ls-caps);
    line-height: 1.2;
}

/* Dropdown generic (meniul de utilizator) */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 200px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-pop);
    z-index: 60;
    overflow: hidden;
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 10px var(--sp-4);
    font-size: var(--fs-13);
    font-weight: 500;
    color: var(--color-ink-soft);
}
.dropdown-item .material-icons { font-size: 17px; }
.dropdown-item:hover { background: var(--color-surface-subtle); text-decoration: none; color: var(--color-ink); }
.dropdown-item.danger { color: var(--color-danger); }
.dropdown-item.danger:hover { background: var(--color-danger-soft); }

.topbar-left { display: flex; align-items: center; gap: var(--sp-3); min-width: 0; }
.topbar-sync-slot { display: flex; align-items: center; }
.topbar-hamburger { display: none; }
.breadcrumb {
    font-size: var(--fs-13);
    color: var(--color-ink-faint);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    white-space: nowrap;
    overflow: hidden;
}
.breadcrumb .crumb-current, .breadcrumb-current { color: var(--color-ink); font-weight: 600; }

.main-content {
    flex: 1;
    padding: var(--sp-5);
    max-width: var(--content-max);
    width: 100%;
    margin: 0 auto;
}

/* ---------- Antet de pagină ---------- */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--sp-4);
    margin-bottom: var(--sp-5);
    flex-wrap: wrap;
}

.page-title {
    font-size: var(--fs-26);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--color-ink-faint);
    font-size: var(--fs-13);
    margin-top: 2px;
}

.page-actions { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; }

/* Grile utilitare de pagină */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }

/* Overlay sidebar mobil */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 22, 38, 0.5);
    z-index: 35;
}