/* =====================================================================
   RKSAM app shell — sidebar + topbar + page layout + dashboard primitives
   ---------------------------------------------------------------------
   Consumes tokens from rksam-theme.css.
   Scoped under `.rksam-app` so it does not leak into MudBlazor widgets
   living inside page content (MudGrid, MudPaper, etc.).
   ===================================================================== */

/* Document-level (needed so theme tokens apply globally for body/bg) */
html.rksam-root,
body.rksam-body {
    background: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    font-feature-settings: "cv11", "ss03";
    transition: background var(--duration), color var(--duration);
}

.rksam-app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }

/* ========= Sidebar ========= */
.rksam-sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.rksam-sidebar__brand {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    height: 56px;
}
.rksam-brand-mark {
    width: 28px; height: 28px;
    border-radius: 7px;
    background: linear-gradient(135deg, var(--a-500), var(--a-600));
    display: grid; place-items: center;
    color: #fff; font-weight: 600; font-size: 13px;
}
.rksam-brand-name { font-weight: 600; letter-spacing: -0.01em; font-size: 15px; }
.rksam-brand-product {
    color: var(--text-tertiary); font-size: 11px; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.06em;
    margin-left: auto;
}

.rksam-nav { padding: 12px 8px; flex: 1; overflow-y: auto; }
.rksam-nav__section { margin-bottom: 20px; }
.rksam-nav__label {
    font-size: 11px; font-weight: 500; text-transform: uppercase;
    letter-spacing: 0.06em; color: var(--text-tertiary);
    padding: 4px 12px 8px;
}
.rksam-nav__item {
    display: flex; align-items: center; gap: 10px;
    padding: 7px 12px; margin: 1px 0;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13px; font-weight: 500;
    transition: background var(--duration), color var(--duration);
    width: 100%; text-align: left;
    border: none; background: none; cursor: pointer;
    text-decoration: none;
}
.rksam-nav__item:hover { background: var(--surface-hover); color: var(--text-primary); }
.rksam-nav__item.active,
.rksam-nav__item[aria-current="page"] { background: var(--surface-hover); color: var(--a-600); }
[data-theme="dark"] .rksam-nav__item.active,
[data-theme="dark"] .rksam-nav__item[aria-current="page"] { color: var(--a-400); }

.rksam-nav__item svg { width: 16px; height: 16px; flex-shrink: 0; }
.rksam-nav__item .count {
    margin-left: auto; font-size: 11px;
    color: var(--text-tertiary); font-family: var(--font-mono);
}
.rksam-nav__item-kbd {
    margin-left: auto; font-family: var(--font-mono); font-size: 10px;
    padding: 1px 5px; border: 1px solid var(--border);
    border-radius: var(--radius-sm); background: var(--surface);
    color: var(--text-tertiary);
}

.rksam-sidebar__footer { padding: 12px; border-top: 1px solid var(--border); }
.rksam-user-card {
    display: flex; align-items: center; gap: 10px;
    padding: 8px; border-radius: var(--radius-md);
    transition: background var(--duration); cursor: pointer;
    color: inherit; text-decoration: none;
}
.rksam-user-card:hover { background: var(--surface-hover); }
.rksam-avatar {
    width: 28px; height: 28px; border-radius: 9999px;
    background: var(--n-300); display: grid; place-items: center;
    font-size: 11px; font-weight: 600; color: var(--n-700);
    flex-shrink: 0;
}
[data-theme="dark"] .rksam-avatar { background: var(--n-700); color: var(--n-200); }
.rksam-user-card__info { flex: 1; min-width: 0; }
.rksam-user-card__name {
    font-size: 13px; font-weight: 500;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.rksam-user-card__role { font-size: 11px; color: var(--text-tertiary); }

/* ========= Main column ========= */
.rksam-main { display: flex; flex-direction: column; min-width: 0; }

/* Topbar */
.rksam-topbar {
    height: 56px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
    padding: 0 24px; gap: 16px;
    position: sticky; top: 0; z-index: 10;
}
.rksam-breadcrumb {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--text-secondary);
}
.rksam-breadcrumb__sep { color: var(--text-tertiary); }
.rksam-breadcrumb__current { color: var(--text-primary); font-weight: 500; }
.rksam-topbar__spacer { flex: 1; }

.rksam-icon-btn {
    width: 32px; height: 32px;
    border-radius: var(--radius-md);
    display: grid; place-items: center;
    color: var(--text-secondary);
    transition: background var(--duration), color var(--duration);
    border: none; background: none; cursor: pointer;
}
.rksam-icon-btn:hover { background: var(--surface-hover); color: var(--text-primary); }
.rksam-icon-btn svg { width: 16px; height: 16px; }

/* Page wrapper */
.rksam-page { padding: 24px 32px 48px; max-width: 1440px; width: 100%; margin: 0 auto; }

.rksam-page-header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.rksam-page-header__titles { flex: 1; min-width: 0; }
.rksam-page-header__title {
    font-size: 28px; font-weight: 600;
    letter-spacing: -0.015em; line-height: 1.28;
    color: var(--text-primary); margin: 0;
}
.rksam-page-header__subtitle {
    font-size: 14px; color: var(--text-secondary);
    margin: 4px 0 0;
}
.rksam-page-header__actions { display: flex; gap: 8px; align-items: center; }

/* Buttons */
.rksam-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 14px; border-radius: var(--radius-md);
    font-size: 13px; font-weight: 500;
    transition: all var(--duration); white-space: nowrap;
    border: none; cursor: pointer;
    text-decoration: none;
}
.rksam-btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.rksam-btn--primary { background: var(--a-500); color: #fff; box-shadow: var(--shadow-sm); }
.rksam-btn--primary:hover { background: var(--a-600); box-shadow: var(--shadow-md); }
.rksam-btn--secondary { background: var(--surface); color: var(--text-primary); border: 1px solid var(--border-strong); }
.rksam-btn--secondary:hover { background: var(--surface-hover); }
.rksam-btn--ghost { color: var(--text-secondary); background: none; }
.rksam-btn--ghost:hover { background: var(--surface-hover); color: var(--text-primary); }
.rksam-btn svg { width: 14px; height: 14px; }

/* Stats */
.rksam-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.rksam-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    transition: border-color var(--duration);
}
.rksam-stat:hover { border-color: var(--border-strong); }
.rksam-stat__label {
    font-size: 11px; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--text-secondary);
}
.rksam-stat__value {
    font-size: 28px; font-weight: 600;
    letter-spacing: -0.015em;
    margin: 6px 0 4px;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    color: var(--text-primary);
}
.rksam-stat__delta { font-size: 12px; display: flex; align-items: center; gap: 4px; color: var(--text-secondary); }
.rksam-stat__delta--up { color: var(--success); }
.rksam-stat__delta--down { color: var(--error); }
.rksam-stat__delta--warn { color: var(--warning); }
.rksam-stat__delta svg { width: 12px; height: 12px; }

/* Cards */
.rksam-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.rksam-card__header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 12px;
}
.rksam-card__title { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.rksam-card__subtitle { font-size: 12px; color: var(--text-secondary); }
.rksam-card__spacer { flex: 1; }
.rksam-card__body { padding: 20px; }

.rksam-grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }

/* Tables */
.rksam-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.rksam-table thead th {
    background: var(--bg-subtle);
    color: var(--text-secondary);
    font-size: 11px; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.04em;
    text-align: left;
    padding: 10px 18px;
    border-bottom: 1px solid var(--border);
}
.rksam-table tbody td {
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}
.rksam-table tbody tr:hover { background: var(--bg-subtle); }
.rksam-table tbody tr:last-child td { border-bottom: none; }
.rksam-table td.num {
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
}
.rksam-table td.num-strong {
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    text-align: right;
    font-weight: 600;
}

/* Chips / dots */
.rksam-chip {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 2px 8px; border-radius: var(--radius-sm);
    font-size: 11px; font-weight: 500; line-height: 1.6;
    background: var(--bg-subtle); color: var(--text-secondary);
    border: 1px solid var(--border);
}
.rksam-dot { width: 6px; height: 6px; border-radius: 9999px; display: inline-block; }
.rksam-dot--success { background: var(--success); }
.rksam-dot--warning { background: var(--warning); }
.rksam-dot--error   { background: var(--error); }
.rksam-dot--neutral { background: var(--n-400); }
.rksam-dot--accent  { background: var(--a-500); }

/* KPI mini (supervisor-style card footer) */
.rksam-kpi-row { display: flex; gap: 16px; font-size: 12px; }
.rksam-kpi__label {
    color: var(--text-tertiary);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 2px;
}
.rksam-kpi__value { font-weight: 600; font-size: 18px; color: var(--text-primary); }
.rksam-kpi__value--success { color: var(--success); }
.rksam-kpi__value--warning { color: var(--warning); }
.rksam-kpi__value--error   { color: var(--error); }

/* Theme toggle FAB */
.rksam-theme-toggle {
    position: fixed; bottom: 20px; right: 20px;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    box-shadow: var(--shadow-md);
    display: flex; align-items: center; gap: 6px;
    font-size: 12px; color: var(--text-secondary);
    z-index: 50;
    cursor: pointer;
}
.rksam-theme-toggle:hover { color: var(--text-primary); }
.rksam-theme-toggle svg { width: 14px; height: 14px; }

/* Responsive */
@media (max-width: 1100px) {
    .rksam-stats { grid-template-columns: repeat(2, 1fr); }
    .rksam-grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    .rksam-app { grid-template-columns: 1fr; }
    .rksam-sidebar { display: none; }
    .rksam-page { padding: 16px 16px 32px; }
}