:root {
    --intranet-surface: #f6f8fb;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 64px;
    --topbar-height: 56px;
    --sidebar-bg: #1b2a3b;
    --sidebar-hover: rgba(255,255,255,.07);
    --sidebar-active: rgba(255,255,255,.14);
    --sidebar-text: rgba(255,255,255,.82);
    --sidebar-text-muted: rgba(255,255,255,.42);
    --transition-speed: .2s;
}

html,
body {
    min-height: 100%;
}

body {
    background: var(--intranet-surface);
}

/* ── Shell layout ─────────────────────────────────────────── */

.intranet-shell {
    display: flex;
    min-height: 100vh;
}

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

.intranet-sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    transition: width var(--transition-speed) ease;
    overflow: hidden;
}

.intranet-shell.sidebar-collapsed .intranet-sidebar {
    width: var(--sidebar-collapsed-width);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1rem 1.2rem;
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,.08);
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    flex-shrink: 0;
}

.sidebar-logo:hover {
    color: #fff;
    text-decoration: none;
}

.sidebar-logo i {
    min-width: 1.3rem;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.sidebar-logo-text {
    font-weight: 700;
    font-size: .88rem;
    letter-spacing: .01em;
    line-height: 1.3;
    transition: opacity var(--transition-speed), width var(--transition-speed);
}

.intranet-shell.sidebar-collapsed .sidebar-logo-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar-nav {
    flex: 1;
    padding: .5rem 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: .85rem;
    padding: .6rem 1.2rem;
    color: var(--sidebar-text);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    transition: background var(--transition-speed), color var(--transition-speed);
    font-size: .875rem;
}

.sidebar-nav-item:hover {
    background: var(--sidebar-hover);
    color: #fff;
    text-decoration: none;
}

.sidebar-nav-item.active {
    background: var(--sidebar-active);
    color: #fff;
    font-weight: 600;
}

.sidebar-nav-item i {
    min-width: 1.25rem;
    text-align: center;
    font-size: .95rem;
    flex-shrink: 0;
}

.sidebar-nav-label {
    transition: opacity var(--transition-speed);
    overflow: hidden;
}

.intranet-shell.sidebar-collapsed .sidebar-nav-label {
    opacity: 0;
    width: 0;
}

.sidebar-section-label {
    padding: 1.1rem 1.2rem .35rem;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--sidebar-text-muted);
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--transition-speed);
}

.intranet-shell.sidebar-collapsed .sidebar-section-label {
    opacity: 0;
}

.sidebar-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: .75rem;
    padding: .8rem 1.2rem;
    color: var(--sidebar-text-muted);
    border-top: 1px solid rgba(255,255,255,.08);
    cursor: pointer;
    background: none;
    border-left: none;
    border-right: none;
    border-bottom: none;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    transition: color var(--transition-speed), background var(--transition-speed);
    font-size: .875rem;
    flex-shrink: 0;
}

.sidebar-toggle-btn:hover {
    color: #fff;
    background: var(--sidebar-hover);
}

.sidebar-toggle-btn i {
    min-width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

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

.intranet-topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topbar-height);
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    z-index: 1030;
    gap: .75rem;
    transition: left var(--transition-speed) ease;
}

.intranet-shell.sidebar-collapsed .intranet-topbar {
    left: var(--sidebar-collapsed-width);
}

.topbar-hamburger {
    color: #6c757d;
    padding: .25rem .4rem;
    border: none;
    background: none;
    line-height: 1;
    border-radius: .375rem;
    transition: background var(--transition-speed), color var(--transition-speed);
    flex-shrink: 0;
}

.topbar-hamburger:hover {
    background: #f0f2f5;
    color: #212529;
}

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

.intranet-main {
    margin-left: var(--sidebar-width);
    padding-top: var(--topbar-height);
    flex: 1;
    min-width: 0;
    transition: margin-left var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
}

.intranet-shell.sidebar-collapsed .intranet-main {
    margin-left: var(--sidebar-collapsed-width);
}

.intranet-content {
    padding: 1.5rem;
    flex: 1;
}

/* ── Language selector (inline topbar use) ────────────────── */

.language-selector .btn {
    font-size: .8rem;
    padding: .25rem .6rem;
}

/* ── Login page (EmptyLayout) ─────────────────────────────── */

.login-page {
    min-height: 100vh;
}

.login-language-selector {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1050;
}

/* ── Shared helpers ───────────────────────────────────────── */

.eyebrow {
    display: inline-block;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.stat-card {
    min-height: 9rem;
}

#blazor-error-ui {
    background: #fff3cd;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, .2);
    display: none;
    left: 0;
    padding: .6rem 1.25rem .7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: .75rem;
    top: .5rem;
}