/* =============================================================================
   HR System — Modern Enterprise UI  (Blue Theme)
   Drop-in replacement for assets/css/app.css
   --------------------------------------------------------------------------
   • Same class names as the original → upgrades EVERY page, no view rewrites
   • No route / DB / backend / workflow changes
   • Bootstrap 5 compatible (self-contained; does not depend on BS5)
   • Design system: 8px spacing · radius 12px · soft shadows · Noto Sans Thai
   ============================================================================= */

:root {
    /* ---- Brand (UNCHANGED – องค์กรเดิม) ---- */
    --primary:        #1565C0;
    --primary-dark:   #0D47A1;
    --primary-light:  #1976D2;
    --primary-50:     #E8F1FB;
    --primary-100:    #CFE2F7;

    --accent:         #C62828;
    --accent-dark:    #B71C1C;
    --accent-light:   #D32F2F;
    --accent-50:      #FDECEC;

    /* ---- Surfaces ---- */
    --bg:             #F4F6FB;
    --surface:        #FFFFFF;
    --surface-2:      #F7F9FC;
    --surface-3:      #EEF2F8;
    --border:         #E6EBF2;
    --border-strong:  #D4DCE7;

    /* ---- Text ---- */
    --text:           #1E2A3A;
    --text-muted:     #6B7686;
    --text-light:     #9AA5B4;

    /* ---- Semantic ---- */
    --success:        #2E7D32;
    --success-50:     #E8F5E9;
    --warning:        #ED6C02;
    --warning-50:     #FFF4E5;
    --info:           #0288D1;
    --info-50:        #E3F4FD;

    /* ---- Layout metrics ---- */
    --topbar-h:       54px;
    --ribbon-h:       84px;
    --statusbar-h:    28px;
    --sidebar-w:      252px;
    --sidebar-w-min:  68px;          /* collapsed icon-rail width */

    /* ---- 8px spacing scale ---- */
    --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
    --sp-5: 20px; --sp-6: 24px; --sp-8: 32px;

    /* ---- Radius ---- */
    --radius-sm: 8px;
    --radius:    12px;
    --radius-lg: 16px;
    --radius-pill: 999px;

    /* ---- Soft shadows ---- */
    --shadow-xs: 0 1px 2px rgba(16,42,76,.06);
    --shadow-sm: 0 2px 6px rgba(16,42,76,.07);
    --shadow:    0 6px 18px rgba(16,42,76,.08);
    --shadow-md: 0 10px 28px rgba(16,42,76,.10);
    --shadow-lg: 0 18px 44px rgba(16,42,76,.14);

    --ring: 0 0 0 3px rgba(21,101,192,.18);
    --t-fast: .15s ease;
    --t:      .22s cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }

html, body {
    margin: 0; padding: 0; height: 100%;
    font-family: 'Noto Sans Thai', 'Prompt', 'Sarabun', 'Segoe UI', Tahoma, sans-serif;
    font-size: 14px;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: var(--primary); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--primary-dark); text-decoration: none; }

/* =============================================================================
   TOP BAR — flat, modern, lower profile
   ============================================================================= */
.app-topbar {
    height: var(--topbar-h);
    background: var(--primary-dark);
    color: #fff;
    display: flex; align-items: center;
    gap: var(--sp-2);
    padding: 0 var(--sp-4);
    box-shadow: var(--shadow-sm);
    position: sticky; top: 0; z-index: 1030;
}
.app-topbar .brand {
    display: flex; align-items: center; gap: var(--sp-2);
    font-weight: 700; font-size: 15px; letter-spacing: .2px; color: #fff;
}
.app-topbar .brand i {
    font-size: 20px;
    background: rgba(255,255,255,.16);
    width: 32px; height: 32px; border-radius: var(--radius-sm);
    display: inline-flex; align-items: center; justify-content: center;
}
.app-topbar .brand .accent  { color: #FFB4B4; }
.app-topbar .brand .name-en { font-weight: 500; opacity: .75; font-size: 13px; }

.topbar-spacer { flex: 1; }

/* User chip */
.topbar-user {
    display: flex; align-items: center; gap: var(--sp-2);
    color: #fff;
    background: rgba(255,255,255,.10);
    padding: 5px 12px 5px 6px;
    border-radius: var(--radius-pill);
    font-size: 13px; font-weight: 500;
    transition: background var(--t-fast);
}
.topbar-user:hover { background: rgba(255,255,255,.18); }
.topbar-user .avatar {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--accent); color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 12px;
    box-shadow: 0 0 0 2px rgba(255,255,255,.25);
}

.topbar-actions { display: flex; align-items: center; gap: var(--sp-1); }
.topbar-actions .btn-ghost {
    background: transparent; color: #fff; border: none;
    width: 38px; height: 38px; border-radius: var(--radius-sm);
    display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 16px;
    transition: background var(--t-fast), transform var(--t-fast);
}
.topbar-actions .btn-ghost:hover { background: rgba(255,255,255,.16); transform: translateY(-1px); }

/* --- Professional profile dropdown (optional new markup) --- */
.topbar-profile { position: relative; }
.topbar-profile > .topbar-user { cursor: pointer; }
.topbar-profile > .topbar-user::after {
    content: "\F282"; font-family: "bootstrap-icons";
    font-size: 11px; opacity: .8; margin-left: 2px;
    transition: transform var(--t-fast);
}
.topbar-profile.open > .topbar-user::after { transform: rotate(180deg); }
.profile-menu {
    position: absolute; right: 0; top: calc(100% + 10px);
    width: 248px;
    background: var(--surface); color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: var(--sp-2);
    opacity: 0; visibility: hidden; transform: translateY(-6px);
    transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
    z-index: 1040;
}
.topbar-profile.open .profile-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.profile-menu .pm-head {
    display: flex; align-items: center; gap: var(--sp-3);
    padding: var(--sp-3); margin-bottom: var(--sp-2);
    background: var(--surface-2); border-radius: var(--radius-sm);
}
.profile-menu .pm-head .avatar {
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--primary); color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 17px;
}
.profile-menu .pm-name { font-weight: 700; font-size: 14px; line-height: 1.2; }
.profile-menu .pm-role { font-size: 12px; color: var(--text-muted); }
.profile-menu a, .profile-menu button {
    display: flex; align-items: center; gap: 10px;
    width: 100%; text-align: left;
    padding: 9px 12px; border: none; background: transparent;
    border-radius: var(--radius-sm); color: var(--text);
    font-size: 13px; font-family: inherit; cursor: pointer;
    transition: background var(--t-fast);
}
.profile-menu a i, .profile-menu button i { color: var(--primary); font-size: 16px; width: 18px; text-align: center; }
.profile-menu a:hover, .profile-menu button:hover { background: var(--primary-50); }
.profile-menu .pm-divider { height: 1px; background: var(--border); margin: var(--sp-2) 4px; }
.profile-menu .pm-danger { color: var(--accent); }
.profile-menu .pm-danger i { color: var(--accent); }
.profile-menu .pm-danger:hover { background: var(--accent-50); }

/* Burger / sidebar toggle */
.btn-burger {
    background: transparent; color: #fff; border: none;
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 20px;
    transition: background var(--t-fast);
}
.btn-burger:hover { background: rgba(255,255,255,.16); }
@media (min-width: 769px) { .btn-burger { display: inline-flex; } } /* now also a desktop collapse toggle */

/* =============================================================================
   RIBBON — flat quick-action bar
   ============================================================================= */
.app-ribbon {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: var(--sp-2) var(--sp-4);
    display: flex; align-items: stretch; gap: var(--sp-4);
    overflow-x: auto;
    min-height: var(--ribbon-h);
    position: sticky; top: var(--topbar-h); z-index: 1020;
    box-shadow: var(--shadow-xs);
}
.app-ribbon::-webkit-scrollbar { height: 6px; }
.ribbon-group {
    display: flex; flex-direction: column;
    border-right: 1px solid var(--border);
    padding-right: var(--sp-4); min-width: 0;
}
.ribbon-group:last-child { border-right: none; }
.ribbon-group .ribbon-buttons { display: flex; gap: var(--sp-1); flex: 1; align-items: flex-start; flex-wrap: wrap; }
.ribbon-group .ribbon-label {
    text-align: center; font-size: 11px; color: var(--text-light);
    margin-top: var(--sp-1); text-transform: uppercase; letter-spacing: .6px;
}
.ribbon-btn {
    display: inline-flex; flex-direction: column;
    align-items: center; justify-content: flex-start;
    min-width: 60px; padding: 6px 8px;
    background: transparent; border: 1px solid transparent;
    border-radius: var(--radius-sm); color: var(--text-muted);
    cursor: pointer; font-size: 12px; text-decoration: none;
    transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.ribbon-btn i { font-size: 22px; margin-bottom: 3px; color: var(--primary); transition: transform var(--t-fast); }
.ribbon-btn.danger i  { color: var(--accent); }
.ribbon-btn.success i { color: var(--success); }
.ribbon-btn.warn i    { color: var(--warning); }
.ribbon-btn:hover {
    background: var(--primary-50); color: var(--primary-dark);
    text-decoration: none; transform: translateY(-2px);
    box-shadow: var(--shadow-xs);
}
.ribbon-btn:hover i { transform: scale(1.08); }
.ribbon-btn.disabled, .ribbon-btn:disabled { color: var(--text-light); cursor: not-allowed; opacity: .5; }

/* =============================================================================
   MAIN LAYOUT
   ============================================================================= */
.app-body {
    display: flex;
    min-height: calc(100vh - var(--topbar-h) - var(--ribbon-h) - var(--statusbar-h));
}

/* =============================================================================
   SIDEBAR — modern, collapsible
   ============================================================================= */
.app-sidebar {
    width: var(--sidebar-w);
    background: var(--surface);
    border-right: 1px solid var(--border);
    flex-shrink: 0;
    overflow-y: auto; overflow-x: hidden;
    transition: width var(--t), transform var(--t);
    scrollbar-width: thin;
    scrollbar-color: var(--primary-100) transparent;
    position: sticky;
    top: calc(var(--topbar-h) + var(--ribbon-h));
    height: calc(100vh - var(--topbar-h) - var(--ribbon-h) - var(--statusbar-h));
    align-self: flex-start;
    padding: var(--sp-2) 0;
}
.app-sidebar::-webkit-scrollbar { width: 6px; }
.app-sidebar::-webkit-scrollbar-track { background: transparent; }
.app-sidebar::-webkit-scrollbar-thumb { background: var(--primary-100); border-radius: 3px; }
.app-sidebar::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

.sidebar-header {
    padding: var(--sp-2) var(--sp-4);
    font-size: 11px; font-weight: 700; color: var(--text-light);
    text-transform: uppercase; letter-spacing: .8px;
    display: flex; justify-content: space-between; align-items: center;
    white-space: nowrap;
}
.sidebar-section { padding: var(--sp-1) var(--sp-2); }
.sidebar-section + .sidebar-section { border-top: 1px solid var(--surface-3); }
.sidebar-section-title {
    padding: var(--sp-2) var(--sp-3) var(--sp-1);
    font-size: 11px; font-weight: 700; color: var(--text-light);
    text-transform: uppercase; letter-spacing: .8px;
    cursor: pointer; user-select: none;
    display: flex; justify-content: space-between; align-items: center;
    white-space: nowrap;
}
.sidebar-section-title .arrow { transition: transform var(--t-fast); font-size: 10px; }
.sidebar-menu { list-style: none; padding: 0; margin: 0; }
.sidebar-menu li a {
    display: flex; align-items: center; gap: 11px;
    padding: 9px 12px; margin: 2px 4px;
    color: var(--text); font-size: 13px; font-weight: 500;
    border-radius: var(--radius-sm);
    position: relative;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    transition: background var(--t-fast), color var(--t-fast), padding var(--t-fast);
}
.sidebar-menu li a i {
    color: var(--text-muted); width: 20px; text-align: center;
    font-size: 16px; flex-shrink: 0; transition: color var(--t-fast);
}
.sidebar-menu li a:hover { background: var(--primary-50); color: var(--primary-dark); }
.sidebar-menu li a:hover i { color: var(--primary); }
.sidebar-menu li a.active {
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff; font-weight: 600;
    box-shadow: var(--shadow-sm);
}
.sidebar-menu li a.active::before {
    content: ""; position: absolute; left: -4px; top: 50%; transform: translateY(-50%);
    width: 4px; height: 60%; background: var(--accent); border-radius: 0 4px 4px 0;
}
.sidebar-menu li a.active i { color: #fff; }
.sidebar-menu li a.active .badge { background: #fff; color: var(--primary-dark); }
.sidebar-menu li a .badge {
    margin-left: auto;
    background: var(--accent); color: #fff;
    border-radius: var(--radius-pill);
    padding: 1px 8px; font-size: 10px; font-weight: 700;
    flex-shrink: 0;
}

/* ---- Collapsed icon-rail (desktop) ---- */
body.sidebar-collapsed .app-sidebar { width: var(--sidebar-w-min); }
body.sidebar-collapsed .app-sidebar .sidebar-header span,
body.sidebar-collapsed .app-sidebar .sidebar-section-title,
body.sidebar-collapsed .app-sidebar .sidebar-menu li a .badge { display: none; }
/* hide the text label but keep the icon; override inline padding-left from views */
body.sidebar-collapsed .app-sidebar .sidebar-menu li a {
    justify-content: center; gap: 0;
    padding-left: 0 !important; padding-right: 0 !important;
    font-size: 0;                       /* hides text node, keeps icon sized below */
}
body.sidebar-collapsed .app-sidebar .sidebar-menu li a i { font-size: 17px; }
body.sidebar-collapsed .app-sidebar .sidebar-menu li a.active::before { display: none; }
/* tooltip on hover when collapsed */
body.sidebar-collapsed .app-sidebar .sidebar-menu li a:hover::after {
    content: attr(data-label);
    position: absolute; left: calc(100% + 8px); top: 50%; transform: translateY(-50%);
    background: var(--text); color: #fff; font-size: 12px; font-weight: 500;
    padding: 5px 10px; border-radius: var(--radius-sm); white-space: nowrap;
    box-shadow: var(--shadow); z-index: 1050; pointer-events: none;
}

.sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(16,42,76,.45); z-index: 1010; }

/* =============================================================================
   CONTENT AREA
   ============================================================================= */
.app-content {
    flex: 1; min-width: 0;
    padding: var(--sp-6);
    overflow-x: auto;
    background: var(--bg);
}

.breadcrumbs {
    background: transparent; border: none; padding: 0;
    margin-bottom: var(--sp-4);
    font-size: 13px; color: var(--text-muted);
    display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap;
}
.breadcrumbs i { color: var(--primary); }
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--primary); }

/* ---- Card ---- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: var(--sp-4);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--t-fast), transform var(--t-fast);
}
.card:hover { box-shadow: var(--shadow); }
.card-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: var(--sp-4) var(--sp-5);
    font-weight: 700; font-size: 15px; color: var(--text);
    display: flex; align-items: center; gap: var(--sp-2);
}
.card-header i { color: var(--primary); }
.card-body { padding: var(--sp-5); }

/* =============================================================================
   STAT / KPI CARDS — modern statistics cards
   ============================================================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--sp-4);
    margin-bottom: var(--sp-4);
}
.stat-tile {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--sp-5);
    display: flex; align-items: center; gap: var(--sp-4);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.stat-tile::after {            /* subtle accent strip on top */
    content: ""; position: absolute; left: 0; top: 0; bottom: 0;
    width: 5px; background: var(--primary);
}
.stat-tile.accent::after  { background: var(--accent); }
.stat-tile.success::after { background: var(--success); }
.stat-tile.warning::after { background: var(--warning); }
.stat-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.stat-tile .icon {
    width: 52px; height: 52px; border-radius: var(--radius);
    background: var(--primary-50); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; flex-shrink: 0;
}
.stat-tile.accent  .icon { background: var(--accent-50);  color: var(--accent); }
.stat-tile.success .icon { background: var(--success-50); color: var(--success); }
.stat-tile.warning .icon { background: var(--warning-50); color: var(--warning); }

.stat-tile .label { font-size: 13px; color: var(--text-muted); font-weight: 500; }
.stat-tile .value { font-size: 30px; font-weight: 800; color: var(--text); line-height: 1.1; letter-spacing: -.5px; }
.stat-tile .trend { font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 3px; margin-top: 2px; }
.stat-tile .trend.up   { color: var(--success); }
.stat-tile .trend.down { color: var(--accent); }

/* =============================================================================
   TABLE — modern data table
   ============================================================================= */
.datasheet {
    width: 100%; border-collapse: separate; border-spacing: 0;
    font-size: 13px; background: var(--surface);
    border-radius: var(--radius); overflow: hidden;
}
.datasheet th, .datasheet td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}
.datasheet thead th {
    background: var(--surface-2);
    color: var(--text-muted);
    font-weight: 700; font-size: 12px;
    text-transform: uppercase; letter-spacing: .4px;
    border-bottom: 1px solid var(--border-strong);
    position: sticky; top: 0; z-index: 2;
    white-space: nowrap;
}
.datasheet tbody tr { transition: background var(--t-fast); }
.datasheet tbody tr:nth-child(even) { background: var(--surface-2); }
.datasheet tbody tr:hover { background: var(--primary-50); }
.datasheet tbody tr:last-child td { border-bottom: none; }

/* Optional wrapper to make any table horizontally responsive */
.table-responsive { width: 100%; overflow-x: auto; border-radius: var(--radius); }

/* =============================================================================
   STATUS BAR
   ============================================================================= */
.app-statusbar {
    height: var(--statusbar-h);
    background: var(--primary-dark);
    color: rgba(255,255,255,.92);
    font-size: 11px;
    display: flex; align-items: center; padding: 0 var(--sp-4); gap: var(--sp-4);
    position: sticky; bottom: 0; z-index: 1000;
}
.app-statusbar .status-item { display: inline-flex; align-items: center; gap: 5px; }
.app-statusbar .status-item i { font-size: 12px; }
.app-statusbar .spacer { flex: 1; }

/* =============================================================================
   FORM
   ============================================================================= */
.form-row { margin-bottom: var(--sp-4); }
.form-row label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-row label .required { color: var(--accent); margin-left: 2px; }
.form-control {
    width: 100%; padding: 10px 14px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 14px; font-family: inherit;
    background: #fff; color: var(--text);
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: var(--ring); }

/* =============================================================================
   BUTTONS — rounded, animated
   ============================================================================= */
.btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600; font-family: inherit;
    cursor: pointer; text-decoration: none;
    transition: background var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast), color var(--t-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(21,101,192,.25); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 6px 16px rgba(21,101,192,.32); }
.btn-danger  { background: var(--accent); color: #fff; box-shadow: 0 4px 12px rgba(198,40,40,.22); }
.btn-danger:hover { background: var(--accent-dark); color: #fff; }
.btn-default { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-default:hover { background: var(--surface-2); border-color: var(--primary-100); }
.btn-link { background: transparent; color: var(--primary); padding: 6px 10px; box-shadow: none; }
.btn-link:hover { background: var(--primary-50); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-pill { border-radius: var(--radius-pill); }

/* =============================================================================
   ALERT
   ============================================================================= */
.alert {
    padding: 12px 16px; border-radius: var(--radius-sm);
    margin-bottom: var(--sp-4); border: 1px solid;
    display: flex; align-items: center; gap: var(--sp-2); font-size: 14px;
    box-shadow: var(--shadow-xs);
}
.alert i { font-size: 18px; }
.alert-success { background: var(--success-50); border-color: #A5D6A7; color: #1B5E20; }
.alert-danger  { background: var(--accent-50);  border-color: #EF9A9A; color: var(--accent-dark); }
.alert-info    { background: var(--info-50);     border-color: var(--primary-100); color: var(--primary-dark); }
.alert-warning { background: var(--warning-50);  border-color: #FFCC80; color: #E65100; }

/* =============================================================================
   LOGIN PAGE  (kept compatible, lightly modernized)
   ============================================================================= */
.auth-wrap {
    min-height: 100vh;
    background:
      linear-gradient(135deg, rgba(13,71,161,.94), rgba(21,101,192,.88)),
      radial-gradient(circle at 30% 20%, rgba(255,255,255,.18), transparent 60%);
    background-color: var(--primary-dark);
    display: flex; align-items: center; justify-content: center; padding: 20px;
}
.auth-card { width: 100%; max-width: 420px; background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; }
.auth-card .auth-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff; padding: 28px 24px 20px; text-align: center; border-bottom: 4px solid var(--accent);
}
.auth-card .auth-header h1 { margin: 0; font-size: 20px; font-weight: 700; display: flex; align-items: center; justify-content: center; gap: 8px; }
.auth-card .auth-header h1 i { color: #FFB4B4; }
.auth-card .auth-header p { margin: 6px 0 0; font-size: 13px; opacity: .85; }
.auth-card .auth-body { padding: 28px; }
.auth-card .btn-primary { width: 100%; justify-content: center; padding: 12px 14px; font-size: 15px; }
.input-icon-wrap { position: relative; }
.input-icon-wrap .form-control { padding-left: 38px; }
.input-icon-wrap > i { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--text-light); font-size: 16px; }

/* =============================================================================
   PLACEHOLDER MODULE PAGE
   ============================================================================= */
.placeholder-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff; padding: 32px; border-radius: var(--radius-lg);
    margin-bottom: var(--sp-4); display: flex; align-items: center; gap: 22px;
    box-shadow: var(--shadow);
}
.placeholder-hero .icon-circle {
    width: 72px; height: 72px; border-radius: 50%;
    background: rgba(255,255,255,.16); display: flex; align-items: center; justify-content: center;
    font-size: 36px; flex-shrink: 0;
}
.placeholder-hero h2 { margin: 0 0 4px; font-size: 22px; }
.placeholder-hero p  { margin: 0; opacity: .9; font-size: 14px; }
.placeholder-tag {
    display: inline-block; background: var(--accent); color: #fff;
    padding: 4px 12px; border-radius: var(--radius-pill);
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px;
}

/* =============================================================================
   UTIL
   ============================================================================= */
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--accent); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-end { text-align: right; }
.text-center { text-align: center; }
.mt-0{margin-top:0}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}
.row { display: flex; gap: var(--sp-4); flex-wrap: wrap; }
.col { flex: 1; min-width: 0; }

/* =============================================================================
   RESPONSIVE
   ============================================================================= */
@media (max-width: 992px) {
    :root { --ribbon-h: 64px; }
    .ribbon-group .ribbon-label { display: none; }
    .ribbon-btn { min-width: 46px; padding: 5px; }
    .ribbon-btn i { font-size: 19px; }
    .ribbon-btn span { display: none; }
    .app-content { padding: var(--sp-4); }
}
@media (max-width: 768px) {
    .app-sidebar {
        position: fixed; top: var(--topbar-h); left: 0;
        height: calc(100vh - var(--topbar-h)); z-index: 1015;
        width: var(--sidebar-w) !important;
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }
    .app-sidebar.is-open { transform: translateX(0); }
    .sidebar-backdrop.is-open { display: block; }
    /* on mobile, collapse mode falls back to full labels */
    body.sidebar-collapsed .app-sidebar .sidebar-section-title,
    body.sidebar-collapsed .app-sidebar .sidebar-header span { display: flex; }
    body.sidebar-collapsed .app-sidebar .sidebar-menu li a { justify-content: flex-start; gap: 11px; font-size: 13px; padding: 9px 12px !important; }
    .topbar-user .name { display: none; }
    .placeholder-hero { padding: 22px; flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
    :root { --ribbon-h: 58px; }
    .app-topbar .brand .name-en { display: none; }
    .app-statusbar .status-item.hide-sm { display: none; }
    .stats-grid { grid-template-columns: 1fr; }
    .profile-menu { width: 220px; }
}

/* =============================================================================
   GLOBAL SCROLLBAR
   ============================================================================= */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }
::-webkit-scrollbar-track { background: transparent; }