/* ======================================
   SMTechServices — Design Tokens & Styles
   Enterprise blue palette, professional
   ====================================== */

@import url('https://api.fontshare.com/v2/css?f[]=general-sans@400,500,600,700&display=swap');

:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Fonts */
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-display: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ========================
   LIGHT MODE (Default)
   ======================== */
:root, [data-theme="light"] {
  --color-bg:              #f5f7fa;
  --color-surface:         #ffffff;
  --color-surface-2:       #f8f9fb;
  --color-surface-offset:  #eef1f6;
  --color-surface-dynamic: #e2e6ed;
  --color-divider:         #d5dae3;
  --color-border:          #c8cfd9;

  --color-text:            #1a1f2e;
  --color-text-muted:      #5f6b7a;
  --color-text-faint:      #9aa4b2;
  --color-text-inverse:    #ffffff;

  --color-primary:         #1e56a0;
  --color-primary-hover:   #163f78;
  --color-primary-active:  #102d56;
  --color-primary-light:   #e8f0fd;

  --color-success:         #0d7c3f;
  --color-success-light:   #e6f7ed;
  --color-warning:         #b45309;
  --color-warning-light:   #fef3e2;
  --color-error:           #c41e3a;
  --color-error-light:     #fce8ec;
  --color-info:            #0284c7;
  --color-info-light:      #e0f2fe;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);

  --sidebar-bg: #0f172a;
  --sidebar-text: #cbd5e1;
  --sidebar-text-active: #ffffff;
  --sidebar-hover: rgba(255,255,255,0.08);
  --sidebar-active: rgba(30,86,160,0.4);
  --sidebar-border: rgba(255,255,255,0.06);
}

/* ========================
   DARK MODE
   ======================== */
[data-theme="dark"] {
  --color-bg:              #0f1117;
  --color-surface:         #181b24;
  --color-surface-2:       #1e2130;
  --color-surface-offset:  #151821;
  --color-surface-dynamic: #262a38;
  --color-divider:         #262a38;
  --color-border:          #2f3447;

  --color-text:            #e1e4ea;
  --color-text-muted:      #8891a4;
  --color-text-faint:      #515b6e;
  --color-text-inverse:    #0f1117;

  --color-primary:         #5b94d6;
  --color-primary-hover:   #4a7fc0;
  --color-primary-active:  #3a6ba8;
  --color-primary-light:   rgba(91,148,214,0.12);

  --color-success:         #34d072;
  --color-success-light:   rgba(52,208,114,0.12);
  --color-warning:         #f5a623;
  --color-warning-light:   rgba(245,166,35,0.12);
  --color-error:           #ef5b78;
  --color-error-light:     rgba(239,91,120,0.12);
  --color-info:            #4da8da;
  --color-info-light:      rgba(77,168,218,0.12);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);

  --sidebar-bg: #0a0c14;
  --sidebar-text: #8891a4;
  --sidebar-text-active: #e1e4ea;
  --sidebar-hover: rgba(255,255,255,0.05);
  --sidebar-active: rgba(91,148,214,0.25);
  --sidebar-border: rgba(255,255,255,0.04);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #0f1117;
    --color-surface:         #181b24;
    --color-surface-2:       #1e2130;
    --color-surface-offset:  #151821;
    --color-surface-dynamic: #262a38;
    --color-divider:         #262a38;
    --color-border:          #2f3447;
    --color-text:            #e1e4ea;
    --color-text-muted:      #8891a4;
    --color-text-faint:      #515b6e;
    --color-text-inverse:    #0f1117;
    --color-primary:         #5b94d6;
    --color-primary-hover:   #4a7fc0;
    --color-primary-active:  #3a6ba8;
    --color-primary-light:   rgba(91,148,214,0.12);
    --color-success:         #34d072;
    --color-success-light:   rgba(52,208,114,0.12);
    --color-warning:         #f5a623;
    --color-warning-light:   rgba(245,166,35,0.12);
    --color-error:           #ef5b78;
    --color-error-light:     rgba(239,91,120,0.12);
    --color-info:            #4da8da;
    --color-info-light:      rgba(77,168,218,0.12);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
    --sidebar-bg: #0a0c14;
    --sidebar-text: #8891a4;
    --sidebar-text-active: #e1e4ea;
    --sidebar-hover: rgba(255,255,255,0.05);
    --sidebar-active: rgba(91,148,214,0.25);
    --sidebar-border: rgba(255,255,255,0.04);
  }
}

/* ========================
   LAYOUT — Dashboard Shell
   ======================== */
html, body { height: 100%; overflow: hidden; margin: 0; }

.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: auto 1fr;
  height: 100dvh;
}

/* --- Sidebar --- */
.sidebar {
  grid-row: 1 / -1;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  z-index: 20;
}

.sidebar-brand {
  padding: var(--space-5) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-brand svg {
  flex-shrink: 0;
}

.sidebar-brand-text {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--sidebar-text-active);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.sidebar-brand-sub {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--sidebar-text);
  opacity: 0.7;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-3) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-section-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sidebar-text);
  opacity: 0.5;
  padding: var(--space-4) var(--space-3) var(--space-2);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--sidebar-text);
  cursor: pointer;
  text-decoration: none;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: all var(--transition-interactive);
}

.sidebar-item:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
}

.sidebar-item.active {
  background: var(--sidebar-active);
  color: var(--sidebar-text-active);
}

.sidebar-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-item.active svg {
  opacity: 1;
}

.sidebar-badge {
  margin-left: auto;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: var(--radius-full);
  line-height: 1.6;
}

.sidebar-footer {
  padding: var(--space-3);
  border-top: 1px solid var(--sidebar-border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-interactive);
}

.sidebar-user:hover {
  background: var(--sidebar-hover);
}

.sidebar-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--sidebar-text-active);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: var(--text-xs);
  color: var(--sidebar-text);
  opacity: 0.6;
}

/* --- Header --- */
.header {
  grid-column: 2;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  height: 56px;
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.breadcrumbs span { opacity: 0.5; }

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  position: relative;
}

.header-btn:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.header-btn .notif-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 7px;
  height: 7px;
  background: var(--color-error);
  border-radius: 50%;
  border: 2px solid var(--color-surface);
}

.mobile-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

/* --- Main Content --- */
.main {
  grid-column: 2;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-6);
  background: var(--color-bg);
}

/* ========================
   COMPONENTS
   ======================== */

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
}

.kpi-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-value {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums lining-nums;
  letter-spacing: -0.02em;
}

.kpi-delta {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 600;
}

.kpi-delta.up { color: var(--color-success); }
.kpi-delta.down { color: var(--color-error); }
.kpi-delta.flat { color: var(--color-text-faint); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-interactive);
  white-space: nowrap;
  line-height: 1.5;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-surface-offset);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn-ghost:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-error);
  color: #fff;
  border-color: var(--color-error);
}
.btn-danger:hover { opacity: 0.9; }

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn-icon {
  padding: var(--space-2);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.8;
}

.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-error   { background: var(--color-error-light);   color: var(--color-error); }
.badge-info    { background: var(--color-info-light);     color: var(--color-info); }
.badge-default { background: var(--color-surface-offset); color: var(--color-text-muted); }

/* Tables */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.data-table th {
  background: var(--color-surface-2);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-divider);
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  vertical-align: middle;
  color: var(--color-text);
}

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

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

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input, .form-select, .form-textarea {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
  width: 100%;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder { color: var(--color-text-faint); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-select { appearance: none; cursor: pointer; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.form-help {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(10px);
  transition: transform 200ms ease;
}

.modal-overlay.show .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: var(--space-5) var(--space-5) var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.modal-close:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.modal-body {
  padding: var(--space-3) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.modal-footer {
  padding: var(--space-3) var(--space-5) var(--space-5);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-5);
}

.tab-btn {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.tab-btn:hover { color: var(--color-text); }

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Page Headers */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.page-header-left { display: flex; flex-direction: column; gap: var(--space-1); }

.page-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Status dots */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}
.status-dot.green  { background: var(--color-success); }
.status-dot.yellow { background: var(--color-warning); }
.status-dot.red    { background: var(--color-error); }
.status-dot.blue   { background: var(--color-info); }
.status-dot.gray   { background: var(--color-text-faint); }

/* User avatar in tables */
.user-cell {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-cell-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.user-cell-name { font-weight: 600; }
.user-cell-email { font-size: var(--text-xs); color: var(--color-text-muted); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--color-text-muted);
}

.empty-state svg {
  margin: 0 auto var(--space-4);
  opacity: 0.3;
}

.empty-state h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: var(--text-sm);
  max-width: 400px;
  margin: 0 auto var(--space-4);
}

/* Toast */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  animation: slideIn 300ms ease;
  max-width: 380px;
}

.toast.success { border-left: 3px solid var(--color-success); }
.toast.error   { border-left: 3px solid var(--color-error); }
.toast.warning { border-left: 3px solid var(--color-warning); }
.toast.info    { border-left: 3px solid var(--color-info); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Charts placeholder */
.chart-container {
  position: relative;
  height: 260px;
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-4); }

/* File upload */
.file-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-interactive);
}
.file-upload:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.file-upload svg { margin: 0 auto var(--space-2); color: var(--color-text-faint); }
.file-upload p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Approval actions */
.approval-actions {
  display: flex;
  gap: var(--space-2);
}

/* Progress bar */
.progress-bar {
  height: 6px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  transition: width 600ms ease;
}

/* Search input */
.search-input-wrapper {
  position: relative;
  max-width: 280px;
}
.search-input-wrapper svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-faint);
}
.search-input {
  padding: var(--space-2) var(--space-3) var(--space-2) 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
  width: 100%;
  color: var(--color-text);
}
.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Filters bar */
.filters-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.filter-select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-text);
  appearance: none;
  cursor: pointer;
  min-width: 140px;
}

/* Activity log */
.activity-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}
.activity-item:last-child { border-bottom: none; }

.activity-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--text-xs);
}

.activity-content { flex: 1; }
.activity-title { font-size: var(--text-sm); font-weight: 600; }
.activity-desc { font-size: var(--text-xs); color: var(--color-text-muted); }
.activity-time { font-size: var(--text-xs); color: var(--color-text-faint); }

/* Login screen */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  background: var(--color-bg);
  padding: var(--space-4);
}

.login-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-10) var(--space-8);
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.login-logo { margin: 0 auto var(--space-6); }

.login-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.login-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.login-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-5) 0;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-divider);
}

.login-btn-ms {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.login-btn-ms:hover {
  background: var(--color-surface-offset);
  border-color: var(--color-primary);
}

.login-btn-ms svg { flex-shrink: 0; }

.login-footer {
  margin-top: var(--space-8);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.login-demo-section {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
}

.login-demo-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}

.demo-accounts {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.demo-account-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  font-size: var(--text-sm);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-interactive);
  width: 100%;
}

.demo-account-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.demo-account-btn .demo-role {
  font-weight: 600;
  color: var(--color-text);
}

.demo-account-btn .demo-email {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Detail view / profile */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.profile-avatar-lg {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.profile-info h2 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.profile-info p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 19;
}

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: fixed;
    left: -280px;
    top: 0;
    bottom: 0;
    width: 280px;
    transition: left 250ms ease;
    z-index: 20;
  }
  .sidebar.open { left: 0; }
  .sidebar-overlay.show { display: block; }
  .mobile-menu-btn { display: flex; }
  .header { grid-column: 1; }
  .main { grid-column: 1; padding: var(--space-4); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

@media (max-width: 640px) {
  .page-header { flex-direction: column; align-items: flex-start; }
  .filters-bar { flex-direction: column; align-items: stretch; }
  .search-input-wrapper { max-width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .modal { width: 95%; max-height: 90vh; }
}

/* Hidden utility */
.hidden { display: none !important; }

/* Scrollbar styling */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-faint); }

/* Data grid within cards */
.detail-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.detail-label {
  font-weight: 600;
  color: var(--color-text-muted);
}

.detail-value {
  color: var(--color-text);
}

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

/* Timesheet weekly grid */
.timesheet-grid {
  display: grid;
  grid-template-columns: 2fr repeat(7, 1fr) auto;
  gap: 1px;
  background: var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: var(--text-sm);
}

.timesheet-grid > * {
  background: var(--color-surface);
  padding: var(--space-2) var(--space-3);
}

.timesheet-grid .ts-header {
  background: var(--color-surface-2);
  font-weight: 600;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.timesheet-grid input {
  width: 100%;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-1);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  background: var(--color-surface);
  color: var(--color-text);
}

.timesheet-grid input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.ts-total {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

/* Invoice line items */
.line-items-table {
  width: 100%;
  font-size: var(--text-sm);
}

.line-items-table th {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  font-weight: 600;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-divider);
}

.line-items-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

.line-items-table input {
  width: 100%;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.line-items-total {
  text-align: right;
  font-weight: 700;
  padding: var(--space-3);
  font-size: var(--text-base);
}

/* Settings layout */
.settings-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-6);
}

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.settings-nav-item {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  text-align: left;
}

.settings-nav-item:hover { background: var(--color-surface-offset); color: var(--color-text); }
.settings-nav-item.active { background: var(--color-primary-light); color: var(--color-primary); font-weight: 600; }

@media (max-width: 768px) {
  .settings-layout { grid-template-columns: 1fr; }
  .timesheet-grid { grid-template-columns: 1fr; }
}

/* Notification panel */
.notif-panel {
  position: fixed;
  top: 56px;
  right: 0;
  width: 360px;
  max-height: calc(100dvh - 56px);
  background: var(--color-surface);
  border-left: 1px solid var(--color-divider);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  z-index: 50;
  transform: translateX(100%);
  transition: transform 250ms ease;
}

.notif-panel.open { transform: translateX(0); }

.notif-panel-header {
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  font-size: var(--text-base);
}

.notif-item {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  cursor: pointer;
  transition: background var(--transition-interactive);
}

.notif-item:hover { background: var(--color-surface-offset); }
.notif-item.unread { background: var(--color-primary-light); }
.notif-item-title { font-size: var(--text-sm); font-weight: 600; }
.notif-item-desc { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 2px; }
.notif-item-time { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: 4px; }