/* =========================================
   QUẢN LÝ PHÂN TEM – Main Stylesheet
   Dark Mode | Modern Premium UI
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---- CSS Variables ---- */
:root {
  --bg-base:        #0f1117;
  --bg-surface:     #171b26;
  --bg-elevated:    #1e2333;
  --bg-hover:       #252a3a;
  --border:         #2a3045;
  --border-light:   #333b52;

  --primary:        #4f8ef7;
  --primary-dark:   #3a7ae0;
  --primary-glow:   rgba(79,142,247,0.18);
  --accent:         #7c5af7;
  --success:        #22c55e;
  --success-bg:     rgba(34,197,94,0.12);
  --warning:        #f59e0b;
  --warning-bg:     rgba(245,158,11,0.12);
  --danger:         #ef4444;
  --danger-bg:      rgba(239,68,68,0.12);
  --info:           #06b6d4;
  --info-bg:        rgba(6,182,212,0.12);

  --text-primary:   #e8ecf4;
  --text-secondary: #8b95a9;
  --text-muted:     #5a6478;

  --sidebar-w:      260px;
  --header-h:       64px;
  --radius:         10px;
  --radius-lg:      16px;
  --shadow:         0 4px 24px rgba(0,0,0,0.4);
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.3);
  --transition:     0.2s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

/* ======================================
   LOGIN PAGE
   ====================================== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(79,142,247,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(124,90,247,0.10) 0%, transparent 50%),
    var(--bg-base);
}

.login-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
  animation: fadeInUp 0.4s ease;
}

.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo .logo-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px rgba(79,142,247,0.3);
}

.login-logo h1 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.login-logo p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* ======================================
   LAYOUT
   ====================================== */
.app-layout { display: flex; min-height: 100vh; }

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo .logo-box {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(79,142,247,0.25);
}

.sidebar-logo .logo-text {
  line-height: 1.2;
}

.sidebar-logo .logo-text strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.sidebar-logo .logo-text span {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Nav sections */
.sidebar-nav {
  flex: 1;
  padding: 0.75rem 0;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.75rem 1.25rem 0.35rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 1.25rem;
  margin: 1px 0.5rem;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.nav-item .nav-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary);
  font-weight: 600;
}

.nav-item.active .nav-icon { color: var(--primary); }

/* Sidebar sub-menu */
.nav-submenu { display: none; }
.nav-submenu.open { display: block; }

.nav-submenu .nav-item {
  padding-left: 2.75rem;
  font-size: 0.84rem;
  margin: 1px 0.5rem;
}

/* Sidebar bottom */
.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.sidebar-user .avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-user .user-info { flex: 1; min-width: 0; }
.sidebar-user .user-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user .user-role {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.btn-logout {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-logout:hover { background: var(--danger-bg); color: var(--danger); }

/* ---- Main Content ---- */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- Top Header ---- */
.topbar {
  height: var(--header-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.75rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left { display: flex; align-items: center; gap: 0.75rem; }

.page-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.breadcrumb span { color: var(--text-muted); }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }

.topbar-right { display: flex; align-items: center; gap: 0.75rem; }

.badge-role {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-role.admin   { background: var(--primary-glow); color: var(--primary); }
.badge-role.nhanvien { background: var(--success-bg); color: var(--success); }

/* ---- Page Body ---- */
.page-body {
  flex: 1;
  padding: 1.75rem;
  max-width: 1400px;
  width: 100%;
}

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

/* ---- Cards ---- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-body { padding: 1.5rem; }
.card-body.p-0 { padding: 0; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 12px rgba(79,142,247,0.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(79,142,247,0.4);
  color: #fff;
}

.btn-success {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff;
  box-shadow: 0 4px 12px rgba(34,197,94,0.25);
}
.btn-success:hover { transform: translateY(-1px); color: #fff; }

.btn-warning {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  box-shadow: 0 4px 12px rgba(245,158,11,0.25);
}
.btn-warning:hover { transform: translateY(-1px); color: #fff; }

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.2);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-elevated); color: var(--text-primary); }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.78rem; border-radius: 7px; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 0.95rem; }
.btn-icon { padding: 0.45rem; width: 34px; height: 34px; border-radius: 8px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ---- Forms ---- */
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
}
.form-group .required-mark { color: var(--danger); margin-left: 2px; }

.form-control, .form-select {
  width: 100%;
  padding: 0.6rem 0.85rem;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 80px; }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a6478' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-row { display: grid; gap: 1rem; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

.form-hint {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.form-error {
  font-size: 0.76rem;
  color: var(--danger);
  margin-top: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Radio group */
.radio-group { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.radio-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.radio-card:hover { border-color: var(--primary); color: var(--text-primary); }
.radio-card input[type="radio"] { display: none; }
.radio-card.selected {
  background: var(--primary-glow);
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

/* File upload */
.file-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.file-upload-area:hover { border-color: var(--primary); background: var(--primary-glow); }
.file-upload-area input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.file-upload-area .upload-icon { font-size: 2rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.file-upload-area .upload-text { font-size: 0.85rem; color: var(--text-secondary); }
.file-upload-area .upload-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ---- Table ---- */
.table-wrapper { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
}

table.data-table thead tr {
  background: var(--bg-elevated);
}

table.data-table th {
  padding: 0.7rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

table.data-table td {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

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

table.data-table tbody tr:hover { background: var(--bg-hover); }

/* Group row */
table.data-table tr.group-row td {
  background: var(--bg-elevated);
  font-weight: 700;
  color: var(--primary);
  font-size: 0.88rem;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border-light);
}

table.data-table tbody tr.group-row:hover { background: var(--bg-elevated); }

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.badge-success  { background: var(--success-bg); color: var(--success); }
.badge-danger   { background: var(--danger-bg);  color: var(--danger); }
.badge-warning  { background: var(--warning-bg); color: var(--warning); }
.badge-info     { background: var(--info-bg);    color: var(--info); }
.badge-primary  { background: var(--primary-glow); color: var(--primary); }

/* ---- Alerts / Flash ---- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  border-left: 3px solid;
  animation: fadeIn 0.3s ease;
}
.alert-icon { font-size: 1.1rem; flex-shrink: 0; }
.alert-success { background: var(--success-bg); color: var(--success); border-color: var(--success); }
.alert-danger   { background: var(--danger-bg);  color: var(--danger);  border-color: var(--danger); }
.alert-warning  { background: var(--warning-bg); color: var(--warning); border-color: var(--warning); }
.alert-info     { background: var(--info-bg);    color: var(--info);    border-color: var(--info); }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.25s ease;
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal-lg { max-width: 800px; }
.modal-xl { max-width: 1000px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  background: var(--bg-elevated);
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--danger-bg); color: var(--danger); }

.modal-body { padding: 1.5rem; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* ---- Stats Cards ---- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform var(--transition), border-color var(--transition);
}
.stat-card:hover { transform: translateY(-2px); border-color: var(--border-light); }

.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.stat-icon.blue   { background: var(--primary-glow); }
.stat-icon.green  { background: var(--success-bg); }
.stat-icon.yellow { background: var(--warning-bg); }
.stat-icon.purple { background: rgba(124,90,247,0.15); }

.stat-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; margin-bottom: 0.2rem; }
.stat-value { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); line-height: 1; }

/* ---- Block TEM Section ---- */
.block-container { display: flex; flex-direction: column; gap: 1rem; }

.tem-block {
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}
.tem-block:hover { border-color: var(--border-light); }

.tem-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-hover);
  border-bottom: 1px solid var(--border);
}
.tem-block-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tem-block-body { padding: 1rem; }

.range-fields { display: none; }
.range-fields.show { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }

/* ---- Divider ---- */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.25rem 0;
}

/* ---- Section header ---- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ---- Supplier note ---- */
.supplier-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ---- Image preview ---- */
.img-preview {
  max-width: 120px;
  max-height: 80px;
  border-radius: 6px;
  border: 1px solid var(--border);
  object-fit: cover;
  cursor: pointer;
  transition: transform var(--transition);
}
.img-preview:hover { transform: scale(1.05); }

/* ---- Step indicator ---- */
.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 2rem;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 1;
}

.step-item::before {
  content: '';
  position: absolute;
  top: 16px;
  left: calc(50% + 18px);
  right: calc(-50% + 18px);
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.step-item:last-child::before { display: none; }

.step-num {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--bg-elevated);
  border: 2px solid var(--border);
  color: var(--text-muted);
  position: relative;
  z-index: 1;
  transition: all var(--transition);
}
.step-num.active { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(79,142,247,0.35); }
.step-num.done   { background: var(--success); border-color: var(--success); color: #fff; }

.step-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
}
.step-item.active .step-label { color: var(--primary); font-weight: 600; }

/* ---- Toolbar / Filter bar ---- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
}
.search-input-wrap .search-icon {
  position: absolute;
  left: 0.75rem; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}
.search-input-wrap input {
  padding-left: 2.2rem;
}

/* ---- Pagination ---- */
.pagination { display: flex; align-items: center; gap: 0.35rem; margin-top: 1.25rem; justify-content: center; }
.page-btn {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 7px;
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.page-btn:hover, .page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---- Animations ---- */
@keyframes fadeIn    { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp  { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin      { to { transform: rotate(360deg); } }

.animate-fade-up { animation: fadeInUp 0.4s ease; }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .form-row.cols-2, .form-row.cols-3, .form-row.cols-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ---- Utilities ---- */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 0.75rem; }
.gap-3 { gap: 1rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 0.75rem; }
.mt-3 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 0.75rem; }
.mb-3 { margin-bottom: 1rem; }
.text-muted { color: var(--text-muted); font-size: 0.82rem; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.fw-bold { font-weight: 700; }
.w-100 { width: 100%; }
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 0.75rem; }
.empty-state p { font-size: 0.9rem; }