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

/* ===================================================
   CSS CUSTOM PROPERTIES — THEME SYSTEM
   =================================================== */
:root {
  --bg-main:        #0B0E11;
  --bg-secondary:   #161A1E;
  --bg-card:        #1E2329;
  --bg-input:       #2B3139;
  --bg-hover:       #2B3139;
  --text-primary:   #F5F5F5;
  --text-secondary: #848E9C;
  --text-muted:     #5E6673;
  --accent:         #F0B90B;
  --accent-dark:    #CF9C09;
  --accent-rgb:     240, 185, 11;
  --accent-light:   rgba(240,185,11,0.12);
  --success:        #0ECB81;
  --success-light:  rgba(14,203,129,0.12);
  --error:          #F6465D;
  --error-light:    rgba(246,70,93,0.12);
  --warning:        #F0B90B;
  --warning-light:  rgba(240,185,11,0.12);
  --info:           #1890FF;
  --info-light:     rgba(24,144,255,0.12);
  --border:         #2B3139;
  --border-light:   rgba(255,255,255,0.04);
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.35);
  --shadow:         0 4px 24px rgba(0,0,0,0.45);
  --shadow-lg:      0 8px 48px rgba(0,0,0,0.55);
  --sidebar-w:      260px;
  --header-h:       64px;
  --radius-sm:      8px;
  --radius:         12px;
  --radius-lg:      16px;
  --transition:     0.25s ease;
}

[data-theme="light"] {
  --bg-main:        #F0F2F5;
  --bg-secondary:   #E6E8EA;
  --bg-card:        #FFFFFF;
  --bg-input:       #F5F5F5;
  --bg-hover:       #F5F5F5;
  --text-primary:   #1E2329;
  --text-secondary: #707A8A;
  --text-muted:     #B7BDC6;
  --accent-light:   rgba(240,185,11,0.10);
  --success-light:  rgba(2,192,118,0.10);
  --error-light:    rgba(246,70,93,0.10);
  --info-light:     rgba(24,144,255,0.10);
  --border:         #E6E8EA;
  --border-light:   rgba(0,0,0,0.04);
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.07);
  --shadow:         0 4px 24px rgba(0,0,0,0.10);
  --shadow-lg:      0 8px 48px rgba(0,0,0,0.14);
}

/* ===================================================
   RESET & BASE
   =================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

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

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

img { max-width: 100%; display: block; }

/* ===================================================
   SCROLLBAR
   =================================================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===================================================
   TYPOGRAPHY
   =================================================== */
h1 { font-size: 1.875rem; font-weight: 700; line-height: 1.2; }
h2 { font-size: 1.5rem;   font-weight: 700; line-height: 1.3; }
h3 { font-size: 1.25rem;  font-weight: 600; line-height: 1.4; }
h4 { font-size: 1.0rem;   font-weight: 600; }
h5 { font-size: 0.875rem; font-weight: 600; }
p  { color: var(--text-secondary); }

.text-primary   { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted     { color: var(--text-muted) !important; }
.text-accent    { color: var(--accent) !important; }
.text-success   { color: var(--success) !important; }
.text-error     { color: var(--error) !important; }
.text-sm   { font-size: 0.8125rem; }
.text-xs   { font-size: 0.75rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

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

/* ===================================================
   SIDEBAR
   =================================================== */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  min-height: var(--header-h);
}

.sidebar-logo .logo-icon {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: #000;
  flex-shrink: 0;
}

.sidebar-logo .logo-text {
  font-size: 1.1rem; font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}
.sidebar-logo .logo-text span { color: var(--accent); }

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-section-title {
  padding: 16px 24px 6px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  text-decoration: none;
  position: relative;
}

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

.nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

.nav-item svg, .nav-item .nav-icon { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius);
  transition: background var(--transition);
}
.sidebar-user:hover { background: var(--bg-hover); }

.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, #FF8C00 100%);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.875rem; color: #000;
  flex-shrink: 0;
}

.avatar-lg {
  width: 56px; height: 56px;
  font-size: 1.25rem;
}

.sidebar-user-info .user-name {
  font-size: 0.8125rem; font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 140px;
}
.sidebar-user-info .user-role {
  font-size: 0.7rem; color: var(--text-muted);
}

/* ===================================================
   MAIN CONTENT
   =================================================== */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===================================================
   TOP HEADER
   =================================================== */
.top-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
}

.header-left { flex: 1; display: flex; align-items: center; gap: 16px; }

.hamburger {
  display: none;
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
}

.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8125rem; color: var(--text-secondary);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--text-muted); }
.breadcrumb .current { color: var(--text-primary); font-weight: 500; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.theme-toggle {
  width: 36px; height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
  font-size: 1rem;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

.header-user {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.header-user:hover { background: var(--bg-hover); }
.header-user .user-name {
  font-size: 0.8125rem; font-weight: 600;
  color: var(--text-primary);
}

/* ===================================================
   PAGE CONTENT
   =================================================== */
.page-content {
  flex: 1;
  padding: 28px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.page-title { font-size: 1.5rem; font-weight: 700; }
.page-subtitle { font-size: 0.875rem; color: var(--text-secondary); margin-top: 2px; }

/* ===================================================
   CARDS
   =================================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.card:hover { box-shadow: var(--shadow); }

.card-header {
  padding: 20px 24px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.card-body  { padding: 24px; }
.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}
.card-title { font-size: 1rem; font-weight: 600; color: var(--text-primary); }

/* ===================================================
   STAT CARDS
   =================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.stat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 16px;
}
.stat-icon.yellow { background: transparent; color: var(--accent); }
.stat-icon.green  { background: transparent; color: var(--success); }
.stat-icon.red    { background: transparent; color: var(--error); }
.stat-icon.blue   { background: transparent; color: var(--info); }

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===================================================
   TABLES
   =================================================== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%; border-collapse: collapse;
  font-size: 0.875rem;
}

thead th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }

tbody td {
  padding: 14px 16px;
  color: var(--text-primary);
  vertical-align: middle;
}

.td-muted { color: var(--text-secondary); font-size: 0.8125rem; }

/* ===================================================
   BADGES
   =================================================== */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.badge-success   { background: var(--success-light);  color: var(--success); }
.badge-danger    { background: var(--error-light);    color: var(--error);   }
.badge-warning   { background: var(--warning-light);  color: var(--warning); }
.badge-info      { background: var(--info-light);     color: var(--info);    }
.badge-primary   { background: var(--accent-light);   color: var(--accent);  }
.badge-secondary { background: var(--border);          color: var(--text-secondary); }

/* ===================================================
   BUTTONS
   =================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 600;
  cursor: pointer; border: none;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.35);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.btn-danger {
  background: var(--error-light);
  color: var(--error);
  border: 1px solid transparent;
}
.btn-danger:hover:not(:disabled) {
  background: var(--error);
  color: #fff;
}

.btn-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid transparent;
}
.btn-success:hover:not(:disabled) {
  background: var(--success);
  color: #fff;
}

.btn-sm   { padding: 6px 14px; font-size: 0.8125rem; }
.btn-lg   { padding: 14px 28px; font-size: 1rem; }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); }
.btn-full { width: 100%; }

.btn .spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.btn.loading .spinner { display: block; }
.btn.loading .btn-text { display: none; }

/* ===================================================
   FORMS
   =================================================== */
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

label {
  display: block;
  font-size: 0.8125rem; font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
label .required { color: var(--error); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control::placeholder { color: var(--text-muted); }
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.form-control.is-error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px var(--error-light);
}

.input-group {
  position: relative;
}
.input-prefix, .input-suffix {
  position: absolute; top: 50%; transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.875rem;
  pointer-events: none;
}
.input-prefix { left: 14px; }
.input-suffix { right: 14px; }
.has-prefix .form-control { padding-left: 38px; }
.has-suffix .form-control { padding-right: 38px; }

.input-toggle-password {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 1rem;
}
.input-toggle-password:hover { color: var(--text-secondary); }

select.form-control { cursor: pointer; }

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

.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; }
.form-error { font-size: 0.75rem; color: var(--error); margin-top: 6px; }

.checkbox-group { display: flex; align-items: center; gap: 10px; }
.checkbox-group input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.checkbox-group label { margin: 0; font-weight: 400; font-size: 0.875rem; color: var(--text-secondary); cursor: pointer; }

/* ===================================================
   SEARCH BAR
   =================================================== */
.search-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}
.search-input-wrap .search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 0.875rem;
  pointer-events: none;
}
.search-input-wrap .form-control { padding-left: 36px; }

/* ===================================================
   ALERT MESSAGES (page-level)
   =================================================== */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
  border: 1px solid transparent;
}
.alert-success { background: var(--success-light); color: var(--success); border-color: var(--success); }
.alert-error   { background: var(--error-light);   color: var(--error);   border-color: var(--error);   }
.alert-warning { background: var(--warning-light); color: var(--warning); border-color: var(--warning); }
.alert-info    { background: var(--info-light);    color: var(--info);    border-color: var(--info);    }

/* ===================================================
   TOAST NOTIFICATIONS
   =================================================== */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 280px; max-width: 380px;
  pointer-events: auto;
  animation: slideInRight 0.3s ease forwards;
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
}
.toast.toast-success::before { background: var(--success); }
.toast.toast-error::before   { background: var(--error);   }
.toast.toast-warning::before { background: var(--warning); }
.toast.toast-info::before    { background: var(--info);    }

.toast-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.toast-success .toast-icon { color: var(--success); }
.toast-error   .toast-icon { color: var(--error);   }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info    .toast-icon { color: var(--info);    }

.toast-body { flex: 1; }
.toast-title   { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.toast-message { font-size: 0.8125rem; color: var(--text-secondary); margin-top: 2px; }

.toast-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 1rem;
  padding: 2px; line-height: 1;
  flex-shrink: 0;
}
.toast-close:hover { color: var(--text-primary); }

.toast.hiding { animation: slideOutRight 0.25s ease forwards; }

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideOutRight {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(40px); }
}

/* ===================================================
   MODAL
   =================================================== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 500;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease;
}
.modal-overlay.hidden { display: none; }

@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleUp { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%; max-width: 480px;
  animation: scaleUp 0.2s ease;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 1rem; font-weight: 700; }
.modal-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 1.25rem; line-height: 1;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; gap: 12px; justify-content: flex-end;
}

/* ===================================================
   LOGIN PAGE
   =================================================== */
.login-page {
  min-height: 100vh;
  background: var(--bg-main);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: fixed;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.07) 0%, transparent 70%);
  top: -200px; right: -200px;
  pointer-events: none;
}

.login-page::after {
  content: '';
  position: fixed;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,203,129,0.05) 0%, transparent 70%);
  bottom: -100px; left: -100px;
  pointer-events: none;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  width: 100%; max-width: 420px;
  position: relative; z-index: 1;
  animation: scaleUp 0.3s ease;
}

.login-logo {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 32px;
}
.login-logo .logo-icon {
  width: 44px; height: 44px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 800; color: #000;
}
.login-logo .logo-text { font-size: 1.25rem; font-weight: 800; }
.login-logo .logo-text span { color: var(--accent); }

.login-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }
.login-subtitle { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 28px; }

.login-divider { font-size: 0.75rem; color: var(--text-muted); text-align: center; margin: 20px 0; }

/* ===================================================
   SKELETON LOADERS
   =================================================== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-hover) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
.skeleton-text { height: 14px; margin: 8px 0; }
.skeleton-text.w-75  { width: 75%; }
.skeleton-text.w-50  { width: 50%; }
.skeleton-text.w-100 { width: 100%; }
.skeleton-card { height: 120px; }

/* ===================================================
   BALANCE DISPLAY
   =================================================== */
.balance-display {
  padding: 28px;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  position: relative; overflow: hidden;
}

.balance-display::before {
  content: '';
  position: absolute; top: -40px; right: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, var(--accent-light) 0%, transparent 70%);
  border-radius: 50%;
}

.balance-label { font-size: 0.8125rem; color: var(--text-secondary); font-weight: 500; margin-bottom: 4px; }
.balance-amount {
  font-size: 2.5rem; font-weight: 800;
  color: var(--text-primary); letter-spacing: -1px;
  line-height: 1.1; margin-bottom: 4px;
}
.balance-amount .currency { font-size: 1rem; font-weight: 600; color: var(--text-secondary); margin-left: 6px; }
.balance-change { font-size: 0.8125rem; color: var(--success); }

/* Balance counter animation */
.balance-amount.animating { animation: balancePulse 0.5s ease; }
@keyframes balancePulse {
  0%   { transform: scale(1);    }
  50%  { transform: scale(1.04); color: var(--success); }
  100% { transform: scale(1);    }
}

/* ===================================================
   TRANSACTION ROW
   =================================================== */
.txn-amount.positive { color: var(--success); font-weight: 600; }
.txn-amount.negative { color: var(--error);   font-weight: 600; }

/* ===================================================
   EMPTY STATE
   =================================================== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.empty-state p  { font-size: 0.875rem; color: var(--text-secondary); }

/* ===================================================
   USER CARD (profile summary)
   =================================================== */
.user-profile-card {
  display: flex; align-items: center; gap: 16px;
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
}

/* ===================================================
   CHIPS / FILTERS
   =================================================== */
.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.chip {
  padding: 5px 14px;
  border-radius: 99px;
  font-size: 0.8125rem; font-weight: 500;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer; transition: all var(--transition);
}
.chip:hover, .chip.active {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* ===================================================
   DIVIDER
   =================================================== */
.divider { height: 1px; background: var(--border); margin: 20px 0; }

/* ===================================================
   UTILITIES
   =================================================== */
.d-flex    { display: flex; }
.d-grid    { display: grid; }
.d-none    { display: none; }
.align-center    { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end     { justify-content: flex-end; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.flex-1 { flex: 1; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-4  { margin-bottom: 4px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.p-0   { padding: 0; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ===================================================
   ANIMATIONS
   =================================================== */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.4s ease forwards; }

/* pulse dot for live updates */
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  display: inline-block;
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

/* ===================================================
   RESPONSIVE — MOBILE
   =================================================== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    box-shadow: none;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .main-content { margin-left: 0; }
  .hamburger { display: flex; }

  .page-content { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-value { font-size: 1.375rem; }

  .form-row { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }

  .top-header { padding: 0 16px; }

  .balance-amount { font-size: 1.875rem; }
  .login-card { padding: 28px 20px; }

  .table-wrapper { font-size: 0.8125rem; }
  .btn-sm { padding: 5px 10px; }

  #toast-container { left: 12px; right: 12px; bottom: 12px; }
  .toast { max-width: 100%; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 199;
}
.sidebar-overlay.show { display: block; }