/*
 * App shell: top navbar + fixed sidebar + content area, plus a few MD3-flavoured
 * components. Bootstrap 5 provides the base; these rules theme it and add the
 * shell. (De-iframed adaptation of the health home shell.)
 */
* { box-sizing: border-box; }

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--md-sys-color-background);
    color: var(--md-sys-color-on-background);
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--md-sys-color-primary); }

/* Bootstrap primary -> brand colour */
.btn-primary {
    --bs-btn-bg: var(--md-sys-color-primary);
    --bs-btn-border-color: var(--md-sys-color-primary);
    --bs-btn-hover-bg: #1e3a8a;
    --bs-btn-hover-border-color: #1e3a8a;
    --bs-btn-active-bg: #1e3a8a;
    --bs-btn-disabled-bg: var(--md-sys-color-primary);
    --bs-btn-disabled-border-color: var(--md-sys-color-primary);
}

/* ---- Navbar ------------------------------------------------------------- */
.app-navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 64px;
    background: var(--md-sys-color-surface);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1050;
    box-shadow: var(--md-sys-elevation-1);
}
.navbar-left, .navbar-right { display: flex; align-items: center; gap: 12px; }
.logo-container { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-avatar {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: #fff; border-radius: var(--md-sys-shape-corner-full);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 600; letter-spacing: 0.5px;
}
.logo-name { font-size: 1.25rem; font-weight: 600; color: var(--md-sys-color-primary); }

.theme-toggle-btn, .navbar-icon-btn, .mobile-menu-toggle {
    width: 40px; height: 40px;
    border-radius: var(--md-sys-shape-corner-full);
    background: var(--md-sys-color-surface-container);
    border: 1px solid var(--md-sys-color-outline-variant);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; text-decoration: none;
    transition: all 0.2s ease;
    color: var(--md-sys-color-on-surface);
}
.theme-toggle-btn:hover, .navbar-icon-btn:hover, .mobile-menu-toggle:hover {
    background: var(--md-sys-color-surface-container-highest);
    box-shadow: var(--md-sys-elevation-1);
}
.theme-toggle-btn i { color: #f59e0b; font-size: 18px; }
.navbar-icon-btn { color: #0ea5e9; font-size: 18px; }
.navbar-icon-btn--danger { color: var(--md-sys-color-error); }
.mobile-menu-toggle { display: none; }
.mobile-menu-toggle i { font-size: 20px; }

.user-avatar {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: #fff; border-radius: var(--md-sys-shape-corner-full);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 600;
}

.navbar-role-switch {
    display: inline-flex; align-items: center; gap: 8px;
    height: 40px; padding: 0 14px;
    border-radius: var(--md-sys-shape-corner-full);
    background: var(--md-sys-color-surface-container);
    border: 1px solid var(--md-sys-color-outline-variant);
    color: var(--md-sys-color-on-surface); text-decoration: none;
    font-size: 13px; font-weight: 500;
    transition: all 0.2s ease;
}
.navbar-role-switch:hover {
    background: var(--md-sys-color-surface-container-highest);
    box-shadow: var(--md-sys-elevation-1);
}
.navbar-role-switch i { color: var(--md-sys-color-primary); font-size: 16px; }
@media (max-width: 768px) { .navbar-role-label { display: none; } }

/* ---- Layout ------------------------------------------------------------- */
.app-container { display: flex; padding-top: 64px; min-height: 100vh; }

.sidebar {
    position: fixed; left: 0; top: 64px;
    width: 280px; height: calc(100vh - 64px);
    background: var(--md-sys-color-surface);
    border-right: 1px solid var(--md-sys-color-outline-variant);
    overflow-y: auto;
    z-index: 1040;
    transition: transform 0.3s ease;
}
.sidebar-menu { padding: 12px 0 80px; }
.sidebar-nav-list { list-style: none; margin: 0; padding: 0; }
.sidebar-nav-link {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 16px;
    color: var(--md-sys-color-on-surface);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}
.sidebar-nav-link:hover { background: var(--md-sys-color-surface-container); }
.sidebar-nav-link.active {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-primary);
    border-left-color: var(--md-sys-color-primary);
    font-weight: 500;
}
.sidebar-nav-link i {
    font-size: 17px; width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
}
.sidebar-nav-link span { font-size: 13px; font-weight: 500; }
.sidebar-section-label {
    padding: 16px 16px 4px;
    font-size: 10px; font-weight: 700; letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--md-sys-color-on-surface-variant);
    opacity: 0.6; list-style: none;
}

.content-area {
    margin-left: 280px;
    flex: 1; padding: 24px;
    min-height: calc(100vh - 64px);
    background: var(--md-sys-color-background);
}
.content-header { margin-bottom: 24px; }
.content-header h1 { font-size: 1.6rem; font-weight: 600; margin: 0 0 6px; color: var(--md-sys-color-on-surface); }
.content-header p { font-size: 14px; color: var(--md-sys-color-on-surface-variant); margin: 0; }

/* ---- Cards & components ------------------------------------------------- */
.card {
    background: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: var(--md-sys-shape-corner-medium);
    box-shadow: var(--md-sys-elevation-1);
    padding: 24px;
    margin-bottom: 24px;
}
.card-title { font-size: 1.15rem; font-weight: 600; margin: 0 0 16px; color: var(--md-sys-color-on-surface); }
.card-text { font-size: 14px; color: var(--md-sys-color-on-surface-variant); }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-bottom: 24px; }

.stat-card {
    background: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: var(--md-sys-shape-corner-medium);
    box-shadow: var(--md-sys-elevation-1);
    padding: 20px; display: flex; align-items: center; gap: 16px;
}
.stat-icon {
    width: 56px; height: 56px;
    border-radius: var(--md-sys-shape-corner-medium);
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-primary);
    display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.stat-content h4 { font-size: 1.5rem; font-weight: 600; margin: 0 0 4px; color: var(--md-sys-color-on-surface); }
.stat-content p { font-size: 13px; color: var(--md-sys-color-on-surface-variant); margin: 0; }

/* ---- Sidebar overlay (mobile) ------------------------------------------ */
.sidebar-overlay {
    display: none; position: fixed; inset: 64px 0 0 0;
    background: rgba(0, 0, 0, 0.5); z-index: 1035; opacity: 0;
    transition: opacity 0.3s ease;
}
.sidebar-overlay.active { display: block; opacity: 1; }

@media (max-width: 1024px) {
    .sidebar { width: 240px; }
    .content-area { margin-left: 240px; }
}
@media (max-width: 768px) {
    .mobile-menu-toggle { display: flex; }
    .sidebar { transform: translateX(-100%); width: 280px; }
    .sidebar.mobile-open { transform: translateX(0); box-shadow: var(--md-sys-elevation-3); }
    .content-area { margin-left: 0; padding: 16px; }
    .logo-name { display: none; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ---- Auth pages -------------------------------------------------------- */
.auth-body {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--md-sys-color-background); padding: 20px;
}
.auth-wrap { width: 100%; max-width: 400px; }
.auth-card {
    background: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: var(--md-sys-shape-corner-large);
    box-shadow: var(--md-sys-elevation-2);
    padding: 32px;
}
.auth-brand { display: flex; align-items: center; gap: 12px; justify-content: center; margin-bottom: 24px; }
.auth-title { font-size: 1.4rem; font-weight: 600; margin: 0 0 4px; color: var(--md-sys-color-on-surface); }
.auth-subtitle { font-size: 14px; color: var(--md-sys-color-on-surface-variant); margin: 0 0 20px; }
.auth-links { margin-top: 16px; text-align: center; font-size: 14px; }