/* ============================================================
   PAYGATE — Design System (app.css)
   Dark mode premium dashboard dengan indigo/violet palette
   ============================================================ */

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

/* ── CSS Variables ─────────────────────────── */
:root {
  --color-primary:    #6366f1;
  --color-secondary:  #8b5cf6;
  --color-success:    #10b981;
  --color-warning:    #f59e0b;
  --color-danger:     #ef4444;
  --color-info:       #3b82f6;

  --bg-base:          #0f172a;
  --bg-surface:       #1e293b;
  --bg-elevated:      #273549;
  --bg-hover:         #334155;

  --text-primary:     #f1f5f9;
  --text-secondary:   #94a3b8;
  --text-muted:       #64748b;

  --border-color:     #334155;
  --border-radius:    0.5rem;
  --border-radius-lg: 0.875rem;

  --sidebar-width:    260px;
  --header-height:    64px;

  --transition:       all 0.2s ease;
  --shadow-sm:        0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:        0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:        0 10px 40px rgba(0,0,0,0.5);
}

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

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

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

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

/* ── App Layout ────────────────────────────── */
.app-body {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo-text {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon { font-size: 1.25rem; }

.sidebar-logo-img {
  max-height: 36px;
  width: auto;
}

.sidebar-close {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--border-radius);
}
.sidebar-close:hover { color: var(--text-primary); background: var(--bg-hover); }

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* Nav items */
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}
.nav-item:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  text-decoration: none;
}
.nav-item.active {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  box-shadow: 0 2px 8px rgba(99,102,241,0.4);
}
.nav-icon { font-size: 1rem; width: 1.25rem; text-align: center; }

/* Sidebar footer */
.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.user-info { display: flex; flex-direction: column; }
.user-name { font-weight: 600; font-size: 0.875rem; }
.user-role {
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 2rem;
  font-weight: 600;
  text-transform: uppercase;
  width: fit-content;
}
.badge-admin    { background: #7c3aed22; color: #a78bfa; }
.badge-merchant { background: #0284c722; color: #38bdf8; }

.btn-logout {
  display: block;
  text-align: center;
  padding: 0.5rem;
  background: var(--bg-elevated);
  border-radius: var(--border-radius);
  color: var(--color-danger);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-logout:hover { background: #ef44441a; text-decoration: none; }

/* Sidebar overlay (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 190;
  backdrop-filter: blur(2px);
}

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

/* ── App Header ────────────────────────────── */
.app-header {
  height: var(--header-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger:hover span { background: var(--text-primary); }

.header-title {
  font-weight: 700;
  font-size: 1.05rem;
  flex: 1;
}

.header-actions { display: flex; align-items: center; gap: 1rem; }
.header-username { font-size: 0.875rem; color: var(--text-secondary); }

/* ── Page Content ──────────────────────────── */
.page-content {
  flex: 1;
  padding: 1.75rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-header h1 {
  font-size: 1.375rem;
  font-weight: 700;
}

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

.card-header {
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-body { padding: 1.25rem; }
.card-body.p-0 { padding: 0; }
.h-full { height: 100%; }

.mb-4 { margin-bottom: 1.25rem; }
.mt-3 { margin-top: 0.875rem; }
.p-3  { padding: 0.875rem; }

/* ── Stats Grid ────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

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

.stat-icon { font-size: 2rem; }
.stat-value { font-size: 1.5rem; font-weight: 800; line-height: 1; }
.stat-label { font-size: 0.78rem; color: var(--text-secondary); margin-top: 0.25rem; }

.stat-blue   { border-left: 3px solid var(--color-info); }
.stat-green  { border-left: 3px solid var(--color-success); }
.stat-yellow { border-left: 3px solid var(--color-warning); }
.stat-purple { border-left: 3px solid var(--color-secondary); }
.stat-red    { border-left: 3px solid var(--color-danger); }

/* ── Server Monitor ────────────────────────── */
.section-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 1.5rem 0 0.875rem;
}

.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.server-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1rem 1.25rem;
}

.server-label { font-size: 0.78rem; color: var(--text-secondary); margin-bottom: 0.25rem; }
.server-value { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; }
.server-sub   { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; }

.progress-bar {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 3px;
  transition: width 0.5s ease;
}

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

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

.data-table th, .data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: var(--bg-elevated);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  white-space: nowrap;
}

.data-table tr:hover td { background: var(--bg-hover); }
.data-table code { font-size: 0.8rem; color: var(--color-primary); }
.empty-state { text-align: center; color: var(--text-muted); padding: 2rem !important; }

/* ── Badges ────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 2rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-paid       { background: #d1fae511; color: #34d399; border: 1px solid #34d39933; }
.badge-pending    { background: #fef3c711; color: #fbbf24; border: 1px solid #fbbf2433; }
.badge-cancelled  { background: #fee2e211; color: #f87171; border: 1px solid #f8717133; }
.badge-expired    { background: #f1f5f911; color: #94a3b8; border: 1px solid #94a3b833; }
.badge-ewallet    { background: #6366f122; color: #818cf8; }
.badge-bank       { background: #0284c722; color: #38bdf8; }
.badge-other      { background: #71717a22; color: #a1a1aa; }
.badge-info       { background: #3b82f622; color: #60a5fa; }

/* ── Buttons ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  box-shadow: 0 2px 8px rgba(99,102,241,0.35);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); text-decoration: none; color: #fff; }

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover { background: var(--bg-hover); text-decoration: none; color: var(--text-primary); }

.btn-danger { background: #ef444422; color: var(--color-danger); border: 1px solid #ef444433; }
.btn-danger:hover { background: var(--color-danger); color: #fff; }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }

/* ── Forms ─────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); }

.form-control {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  padding: 0.625rem 0.875rem;
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s;
  width: 100%;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-control[readonly] { opacity: 0.7; cursor: default; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.2rem; }
.form-section-title { font-weight: 700; font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0.75rem; }

/* ── Flash Messages ────────────────────────── */
.flash {
  margin: 0 1.75rem 0;
  padding: 0.875rem 1.25rem;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 500;
  font-size: 0.9rem;
  margin-top: 1rem;
}
.flash-success { background: #10b98122; color: #34d399; border: 1px solid #10b98133; }
.flash-error   { background: #ef444422; color: #f87171; border: 1px solid #ef444433; }
.flash-close { background: none; border: none; cursor: pointer; color: inherit; font-size: 1rem; }

/* ── Modals ────────────────────────────────── */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 300;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(4px);
}
.modal.open { display: flex; }

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  font-weight: 700;
  font-size: 1rem;
}
.modal-header button {
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary); font-size: 1.25rem;
}
.modal-header button:hover { color: var(--text-primary); }
.modal-content form { padding: 1.25rem; }

/* ── Regex Tester ──────────────────────────── */
.regex-result {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg-elevated);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}
.result-row { display: flex; justify-content: space-between; font-size: 0.875rem; margin-bottom: 0.5rem; }
.result-row span { color: var(--text-secondary); }
.result-row strong { color: var(--text-primary); }
.error-text { color: var(--color-danger) !important; }
.regex-code { font-size: 0.78rem; word-break: break-all; }
.hidden { display: none !important; }

/* ── Info Row ──────────────────────────────── */
.info-row { margin-bottom: 0.75rem; }
.info-row label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.4rem; }
.copy-field { display: flex; gap: 0.5rem; align-items: center; }
.copy-field input { flex: 1; }

/* ── Checkout Builder ──────────────────────── */
.builder-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 1.25rem;
  align-items: start;
}

.code-editor {
  width: 100%;
  min-height: 520px;
  background: #0d1117;
  color: #e6edf3;
  border: none;
  padding: 1rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  resize: vertical;
  outline: none;
}

.editor-toolbar {
  display: flex;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-color);
}

.shortcode-list { display: flex; flex-direction: column; }
.shortcode-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.625rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}
.shortcode-item:hover { background: var(--bg-hover); }
.shortcode-tag { font-size: 0.8rem; color: var(--color-primary); }
.shortcode-desc { font-size: 0.75rem; color: var(--text-muted); }

.guide-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.guide-list li { font-size: 0.8rem; color: var(--text-secondary); display: flex; align-items: flex-start; gap: 0.5rem; }
.guide-list li::before { content: '•'; color: var(--color-primary); flex-shrink: 0; }
.guide-list code { font-size: 0.75rem; color: var(--color-primary); background: var(--bg-elevated); padding: 0.1rem 0.3rem; border-radius: 3px; }

/* ── Auth Pages ────────────────────────────── */
.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  padding: 1rem;
}
.auth-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}
.auth-logo {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}
.auth-error {
  background: #ef444422;
  color: #f87171;
  border: 1px solid #ef444433;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* ── Maintenance ───────────────────────────── */
.maintenance-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  text-align: center;
  padding: 2rem;
}

/* ── Responsive ────────────────────────────── */
@media (max-width: 1024px) {
  .form-row { grid-template-columns: 1fr; }
  .builder-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  /* Sidebar hidden by default on mobile */
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.sidebar-open {
    transform: translateX(0);
  }
  .sidebar-close {
    display: block;
  }
  .sidebar-overlay.active {
    display: block;
  }

  .main-content {
    margin-left: 0;
  }

  .hamburger {
    display: flex;
  }

  .page-content {
    padding: 1rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .server-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid,
  .server-grid { grid-template-columns: 1fr; }
  .data-table th, .data-table td { padding: 0.5rem 0.75rem; font-size: 0.8rem; }
}