/* ============================================================
   DESKTOP LAYOUT
   Sidebar fixed left, main content scrollable right
   ============================================================ */

:root {
    --sidebar-width:        260px;
    --topbar-height:        64px;
}

/* ── App shell ──────────────────────────────────────────────── */

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

/* ── Sidebar ────────────────────────────────────────────────── */

.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--clr-sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-logo {
    padding: 1.5rem 1.25rem 1rem;
    border-bottom: 1px solid var(--clr-sidebar-border);
    margin-bottom: .5rem;
}

.sidebar-logo .logo-mark {
    font-size: 1.375rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -.02em;
    line-height: 1;
}

.sidebar-logo .logo-sub {
    font-size: .6875rem;
    color: var(--clr-sidebar-text);
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-top: .25rem;
}

.sidebar-nav {
    flex: 1;
    padding: .5rem .75rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-footer {
    padding: 1rem .75rem;
    border-top: 1px solid var(--clr-sidebar-border);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .625rem .75rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition);
}
.sidebar-user:hover { background: var(--clr-sidebar-hover); }

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name {
    font-size: .875rem;
    font-weight: 600;
    color: var(--clr-sidebar-active);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-user-role {
    font-size: .75rem;
    color: var(--clr-sidebar-text);
    text-transform: capitalize;
}

/* ── Main content ───────────────────────────────────────────── */

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

/* ── Top bar ────────────────────────────────────────────────── */

.topbar {
    height: var(--topbar-height);
    background: var(--clr-surface);
    border-bottom: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--clr-text);
    flex: 1;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: .75rem;
}

.topbar-icon-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-border);
    background: var(--clr-surface);
    color: var(--clr-text-muted);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}
.topbar-icon-btn:hover {
    background: var(--clr-surface-2);
    color: var(--clr-text);
}

.topbar-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--clr-danger);
    color: #fff;
    font-size: .625rem;
    font-weight: 700;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--clr-surface);
}

/* ── Page content area ──────────────────────────────────────── */

.page-content {
    padding: 2rem;
    flex: 1;
}

.page-header {
    margin-bottom: 1.75rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-text);
    line-height: 1.2;
}

.page-subtitle {
    font-size: .9375rem;
    color: var(--clr-text-muted);
    margin-top: .25rem;
}

/* ── Grid layouts ───────────────────────────────────────────── */

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.grid-main-side {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 1.5rem;
    align-items: start;
}

/* ── Tables ─────────────────────────────────────────────────── */

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--clr-border);
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}

table.data-table thead tr {
    background: var(--clr-surface-2);
    border-bottom: 1px solid var(--clr-border);
}

table.data-table th {
    padding: .75rem 1rem;
    text-align: left;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--clr-text-muted);
    white-space: nowrap;
}

table.data-table td {
    padding: .875rem 1rem;
    color: var(--clr-text);
    border-bottom: 1px solid var(--clr-border);
    vertical-align: middle;
}

table.data-table tbody tr:last-child td { border-bottom: none; }

table.data-table tbody tr:hover { background: var(--clr-surface-2); }

/* ── Auth page (login) ──────────────────────────────────────── */

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-sidebar-bg);
    padding: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--clr-surface);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo-mark {
    font-size: 2rem;
    font-weight: 800;
    color: var(--clr-text);
    letter-spacing: -.04em;
}

.auth-logo-mark span { color: var(--clr-primary); }

.auth-logo-sub {
    font-size: .75rem;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: .12em;
    margin-top: .25rem;
}

.auth-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-bottom: .25rem;
}

.auth-subtitle {
    font-size: .9rem;
    color: var(--clr-text-muted);
    margin-bottom: 1.75rem;
}

.auth-form { display: flex; flex-direction: column; gap: 1.125rem; }

.auth-submit {
    width: 100%;
    padding: .875rem;
    justify-content: center;
    font-size: 1rem;
    margin-top: .25rem;
}