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

:root {
  --bg-color: #080b11;
  --panel-bg: rgba(13, 19, 33, 0.75);
  --panel-border: rgba(255, 255, 255, 0.06);
  --panel-border-hover: rgba(255, 255, 255, 0.12);
  --primary-color: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --sidebar-width: 260px;
  --transition-speed: 0.25s;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Background Gradients */
body::before {
  content: '';
  position: fixed;
  top: -10%;
  left: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  bottom: -10%;
  right: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  pointer-events: none;
}

/* ─────────────────────────────────────────────────────
   LOGIN SCREEN
   ───────────────────────────────────────────────────── */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  background: var(--bg-color);
}

.login-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(20px);
  padding: 3rem;
  border-radius: 20px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 
              0 0 40px rgba(99, 102, 241, 0.05);
  animation: cardFadeIn 0.5s ease-out;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.login-header .logo-glow {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--primary-gradient);
  margin: 0 auto 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 25px var(--primary-glow);
  font-size: 1.8rem;
  font-weight: 800;
  color: white;
}

.login-header h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.input-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  padding: 0.85rem 1.1rem;
  border-radius: 10px;
  color: white;
  font-size: 0.95rem;
  transition: var(--transition-speed);
}

.input-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
  background: rgba(255, 255, 255, 0.05);
}

.btn-primary {
  width: 100%;
  background: var(--primary-gradient);
  color: white;
  border: none;
  padding: 0.9rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 5px 15px var(--primary-glow);
  transition: var(--transition-speed);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  background: var(--text-dim);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* ─────────────────────────────────────────────────────
   MAIN CONTAINER & SIDEBAR
   ───────────────────────────────────────────────────── */
.admin-app {
  display: flex;
  width: 100vw;
  height: 100vh;
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.admin-app.active {
  opacity: 1;
}

.sidebar {
  width: var(--sidebar-width);
  background: rgba(8, 11, 17, 0.85);
  border-right: 1px solid var(--panel-border);
  display: flex;
  flex-direction: column;
  height: 100%;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 2rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  border-bottom: 1px solid var(--panel-border);
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: white;
  box-shadow: 0 0 15px var(--primary-glow);
}

.sidebar-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-menu {
  list-style: none;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex-grow: 1;
}

.menu-item button {
  width: 100%;
  background: transparent;
  border: none;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: var(--transition-speed);
}

.menu-item button svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.menu-item button:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
}

.menu-item.active button {
  background: rgba(99, 102, 241, 0.08);
  color: var(--primary-color);
  box-shadow: inset 3px 0 0 var(--primary-color);
}

.sidebar-footer {
  padding: 1.2rem 1rem;
  border-top: 1px solid var(--panel-border);
}

.admin-profile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.02);
  padding: 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
}

.admin-info {
  display: flex;
  flex-direction: column;
}

.admin-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 700;
}

.admin-tg-id {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-logout {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
  border-radius: 6px;
  transition: var(--transition-speed);
}

.btn-logout:hover {
  background: var(--danger-bg);
  color: var(--danger);
}

/* ─────────────────────────────────────────────────────
   CONTENT AREA
   ───────────────────────────────────────────────────── */
.main-content {
  flex-grow: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: linear-gradient(180deg, rgba(8,11,17,0) 0%, rgba(8,11,17,0.8) 100%);
}

.header {
  padding: 2rem 2.5rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ─────────────────────────────────────────────────────
   DASHBOARD TABS (SPA)
   ───────────────────────────────────────────────────── */
.tab-content {
  display: none;
  padding: 1.5rem 2.5rem 3rem;
  animation: tabFadeIn 0.3s ease-out;
}

.tab-content.active {
  display: block;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Analytics Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-speed);
}

.stat-card:hover {
  border-color: var(--panel-border-hover);
  transform: translateY(-3px);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-gradient);
  opacity: 0.7;
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}

.stat-value.glow-green {
  text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.stat-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ── Tables & Panels ── */
.content-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
}

.panel-title {
  font-size: 1.1rem;
  font-weight: 700;
}

/* Filters bar */
.filter-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}

.search-input-wrapper {
  flex-grow: 1;
  position: relative;
}

.select-control {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  padding: 0.65rem 1rem;
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition-speed);
}

.select-control:focus {
  border-color: var(--primary-color);
}

.select-control option {
  background-color: var(--bg-color);
  color: var(--text-main);
}

/* Table Styling */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.table-custom {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.table-custom th {
  padding: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--panel-border);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.table-custom td {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  vertical-align: middle;
}

.table-custom tbody tr {
  transition: var(--transition-speed);
}

.table-custom tbody tr:hover {
  background: rgba(255, 255, 255, 0.015);
}

/* Badge System */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.badge-danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge-primary {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
}

/* Buttons in Table Actions */
.btn-action-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-small {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-speed);
}

.btn-small:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--panel-border-hover);
}

.btn-small-danger:hover {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger);
}

.btn-small-success:hover {
  background: var(--success-bg);
  color: var(--success);
  border-color: var(--success);
}

.btn-small-primary:hover {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
  border-color: var(--primary-color);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1.5rem;
  position: relative;
  transition: var(--transition-speed);
}

.pricing-card:hover {
  border-color: var(--primary-color);
  background: rgba(255, 255, 255, 0.02);
}

.pricing-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.pricing-card .form-group {
  margin-bottom: 1rem;
}

/* ─────────────────────────────────────────────────────
   MODAL PANEL SYSTEM
   ───────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 6, 10, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.btn-close:hover {
  color: white;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1.2rem 1.5rem;
  border-top: 1px solid var(--panel-border);
  display: flex;
  justify-content: flex-end;
  gap: 0.8rem;
}

.btn-cancel {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  padding: 0.7rem 1.2rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-speed);
}

.btn-cancel:hover {
  background: rgba(255, 255, 255, 0.03);
  color: white;
}

/* User Profile Layout */
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.profile-item {
  background: rgba(255, 255, 255, 0.01);
  padding: 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
}

.profile-item .p-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.profile-item .p-val {
  font-size: 0.9rem;
  font-weight: 600;
}

/* Coupon layout */
.coupon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.coupon-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1.2rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-speed);
}

.coupon-card:hover {
  border-color: var(--primary-color);
}

.coupon-code {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #818cf8;
  margin-bottom: 0.4rem;
}

.coupon-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.coupon-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* QRIS Preview Image */
.qris-preview-wrapper {
  margin-top: 1rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.01);
  border: 1px dashed var(--panel-border);
  padding: 1rem;
  border-radius: 10px;
}

.qris-preview {
  max-width: 200px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

/* Pagination Control */
.pagination-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
}

.btn-pagination {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-speed);
}

.btn-pagination:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
}

.btn-pagination:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-info {
  font-size: 0.85rem;
  color: var(--text-muted);
}