/* ===== KOPERASI WEB — Modern UI ===== */

/* --- Variables --- */
:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --success: #059669;
  --success-hover: #047857;
  --success-light: #ecfdf5;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --danger-light: #fef2f2;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12);
  --transition: 0.2s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  font-family: var(--font);
  background: linear-gradient(145deg, #f0f4ff 0%, #e8ecf4 50%, #f3f4f6 100%);
  color: var(--gray-900);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* --- Container --- */
.container { max-width: 1200px; margin: 0 auto; padding: 20px; }

/* --- Loading Overlay --- */
.loading-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(4px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
}
.loading-overlay p { color: var(--gray-500); font-size: 14px; }
.spinner {
  width: 40px; height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Header --- */
.header { text-align: center; padding: 24px 0 8px; }
.logo { display: inline-flex; align-items: center; gap: 14px; }
.logo-icon { font-size: 40px; }
.header h1 {
  font-size: 26px; font-weight: 700;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; letter-spacing: -0.5px;
}
.header p { color: var(--gray-500); font-size: 13px; margin-top: 2px; }

/* --- Card --- */
.card {
  background: #fff; border-radius: var(--radius); padding: 24px;
  margin-bottom: 20px; box-shadow: var(--shadow); border: 1px solid var(--gray-100);
}

/* --- Login --- */
.login-card {
  max-width: 420px; margin: 48px auto 0; text-align: center;
  padding: 40px 32px; border-radius: 16px; box-shadow: var(--shadow-lg);
}
.login-icon { font-size: 48px; margin-bottom: 8px; }
.login-card h2 { font-size: 22px; font-weight: 700; margin-bottom: 24px; color: var(--gray-900); }
.login-card label { text-align: left; }

.password-wrap { position: relative; }
.password-wrap input { padding-right: 44px; }
.icon-btn {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  background: none !important; border: none !important; cursor: pointer;
  padding: 4px !important; font-size: 18px; color: var(--gray-400);
  box-shadow: none !important;
}
.icon-btn:hover { color: var(--gray-600); background: none !important; transform: translateY(-50%); box-shadow: none !important; }

/* --- Labels & Inputs --- */
label { display: grid; gap: 6px; margin-bottom: 14px; }
.label-text { font-size: 13px; font-weight: 600; color: var(--gray-600); }

input, select {
  padding: 10px 14px; border-radius: var(--radius-sm); border: 1.5px solid var(--gray-200);
  font-size: 14px; background: #fff; transition: border-color var(--transition), box-shadow var(--transition);
  font-family: var(--font); width: 100%; color: var(--gray-900);
}
input:focus, select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}
input::placeholder { color: var(--gray-400); }

.search-input {
  max-width: 240px; padding: 8px 14px; font-size: 13px;
}

/* --- Buttons --- */
button {
  padding: 10px 20px; border-radius: var(--radius-sm); border: none;
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all var(--transition); display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font);
}
button:active { transform: scale(0.97); }
button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 4px 14px rgba(79,70,229,.3); }

.btn-secondary { background: var(--gray-100); color: var(--gray-700); border: 1px solid var(--gray-200); }
.btn-secondary:hover { background: var(--gray-200); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: var(--success-hover); box-shadow: 0 4px 14px rgba(5,150,105,.3); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); box-shadow: 0 4px 14px rgba(220,38,38,.3); }

.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-icon { background: var(--gray-100); color: var(--gray-600); padding: 8px 12px; font-size: 16px; }
.btn-icon:hover { background: var(--gray-200); }

/* --- Toolbar --- */
.toolbar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; flex-wrap: wrap; padding: 14px 20px;
}
.toolbar-left { display: flex; align-items: center; gap: 10px; }
.toolbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.admin-badge {
  display: inline-block; background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px; font-weight: 600;
}

.btn-tab {
  background: var(--gray-50); color: var(--gray-600); border: 1.5px solid var(--gray-200);
  border-radius: 20px; padding: 7px 16px; font-size: 13px; font-weight: 600;
}
.btn-tab:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }
.btn-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-tab.active:hover { background: var(--primary-hover); }

/* --- Stats Row --- */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card {
  background: var(--primary-light); border-radius: var(--radius-sm); padding: 16px 20px;
  display: flex; flex-direction: column; gap: 2px; border-left: 4px solid var(--primary);
}
.stat-card.stat-warning { background: var(--warning-light); border-left-color: var(--warning); }
.stat-card.stat-danger { background: var(--danger-light); border-left-color: var(--danger); }
.stat-value { font-size: 28px; font-weight: 700; color: var(--gray-900); }
.stat-label { font-size: 12px; font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; }

/* --- Grid Layouts --- */
.grid-2, .grid-3, .grid-4 { display: grid; gap: 14px; margin-bottom: 14px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.span-full { grid-column: 1 / -1; }

/* --- Section Headers --- */
.section-header {
  display: flex; justify-content: space-between; align-items: center;
  margin: 20px 0 12px; gap: 12px; flex-wrap: wrap;
}
.section-header h3 { margin: 0; }
h2 { margin: 0 0 20px; font-size: 20px; font-weight: 700; color: var(--gray-900); }
h3 { font-size: 15px; font-weight: 600; color: var(--gray-700); display: flex; align-items: center; gap: 6px; }

/* --- Total Bar --- */
.total-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; margin: 16px 0;
  background: linear-gradient(135deg, var(--primary-light), #f5f3ff);
  border-radius: var(--radius-sm); border-left: 4px solid var(--primary);
}
.total-amount { font-size: 22px; color: var(--primary); }

/* --- Tables --- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--gray-200); margin-bottom: 16px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead { background: var(--gray-50); }
th {
  padding: 12px 14px; text-align: left; font-weight: 600; font-size: 12px;
  color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.4px;
  border-bottom: 2px solid var(--gray-200);
}
td { padding: 11px 14px; border-bottom: 1px solid var(--gray-100); vertical-align: middle; }
tbody tr { transition: background var(--transition); }
tbody tr:hover { background: var(--gray-50); }
tbody tr:last-child td { border-bottom: none; }

/* --- Badges --- */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.3px;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-primary { background: var(--primary-light); color: var(--primary); }

/* --- Modals --- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.4); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  animation: fadeIn .2s ease;
}
.modal-backdrop.hidden { display: none !important; }

.modal {
  background: #fff; border-radius: 16px; padding: 32px;
  max-width: 400px; width: 90%; text-align: center;
  box-shadow: var(--shadow-lg); animation: slideUp .3s ease;
}
.modal-icon { font-size: 48px; margin-bottom: 8px; }
.modal h3 { margin-bottom: 8px; font-size: 18px; }
.modal p { color: var(--gray-600); margin-bottom: 20px; font-size: 14px; line-height: 1.5; }
.modal-success { border-top: 4px solid var(--success); }
.modal-error { border-top: 4px solid var(--danger); }

/* --- Error Text --- */
.error { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 4px; text-align: center; }

/* --- Hidden Utility --- */
.hidden { display: none !important; }
.tab-panel.hidden { display: none !important; }
.tab-panel { animation: fadeIn .25s ease; }

/* --- Footer --- */
.footer { text-align: center; padding: 24px 0 16px; color: var(--gray-400); font-size: 12px; }

/* --- Animations --- */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(16px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* --- Responsive --- */
@media (max-width: 768px) {
  .container { padding: 12px; }
  .header h1 { font-size: 22px; }
  .toolbar { flex-direction: column; align-items: stretch; padding: 12px 16px; }
  .toolbar-right { justify-content: center; }
  .btn-tab { flex: 1; justify-content: center; font-size: 12px; padding: 6px 10px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .login-card { padding: 28px 20px; margin-top: 24px; }
  th, td { padding: 8px 10px; }
  .search-input { max-width: 100%; }
  .stats-row { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: stretch; }
}

@media (max-width: 480px) {
  .header h1 { font-size: 20px; }
  .stat-value { font-size: 22px; }
  .total-amount { font-size: 18px; }
  table { font-size: 12px; }
}