/* ============================================================
   OTPStore - Dark Cyber Industrial Theme
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&family=Exo+2:wght@300;400;600;800&display=swap');

:root {
  --bg: #080c10;
  --bg2: #0d1117;
  --bg3: #111820;
  --card: #0f1923;
  --card2: #162030;
  --border: #1e3a4a;
  --border2: #0e2233;
  --accent: #00d4ff;
  --accent2: #00ff9d;
  --accent3: #ff6b35;
  --warn: #ffcc00;
  --danger: #ff3b5c;
  --text: #c8dde8;
  --text2: #7a9db0;
  --text3: #3d6070;
  --white: #eaf4fa;
  --shadow: 0 0 30px rgba(0,212,255,0.08);
  --glow: 0 0 20px rgba(0,212,255,0.3);
  --glow2: 0 0 20px rgba(0,255,157,0.2);
  --font: 'Exo 2', sans-serif;
  --mono: 'Share Tech Mono', monospace;
  --head: 'Rajdhani', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ─── AUTH PAGES ─────────────────────────────────────────── */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.auth-wrap::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
  top: -100px; left: -100px;
  pointer-events: none;
}
.auth-wrap::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,255,157,0.04) 0%, transparent 70%);
  bottom: -50px; right: -50px;
  pointer-events: none;
}
.auth-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 48px 40px;
  width: 420px;
  position: relative;
  box-shadow: var(--shadow);
}
.auth-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent2), transparent);
}
.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}
.auth-logo .logo-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 12px;
}
.auth-logo h1 {
  font-family: var(--head);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--white);
  text-transform: uppercase;
}
.auth-logo p { color: var(--text2); font-size: 12px; letter-spacing: 2px; margin-top: 4px; }
.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.auth-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  cursor: pointer;
  color: var(--text2);
  font-family: var(--head);
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.auth-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ─── FORMS ──────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 6px;
  font-weight: 600;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  padding: 10px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0,212,255,0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group select option { background: var(--bg2); }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 3px;
  border: none;
  cursor: pointer;
  font-family: var(--head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #0099cc);
  color: #000;
}
.btn-primary:hover { box-shadow: var(--glow); transform: translateY(-1px); }
.btn-success {
  background: linear-gradient(135deg, var(--accent2), #00cc7a);
  color: #000;
}
.btn-success:hover { box-shadow: var(--glow2); transform: translateY(-1px); }
.btn-danger { background: rgba(255,59,92,0.15); color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-outline:hover { background: rgba(0,212,255,0.1); }
.btn-warn { background: rgba(255,204,0,0.15); color: var(--warn); border: 1px solid var(--warn); }
.btn-warn:hover { background: var(--warn); color: #000; }
.btn-sm { padding: 6px 12px; font-size: 11px; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }

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

/* ─── SIDEBAR ────────────────────────────────────────────── */
.sidebar {
  width: 240px;
  background: var(--card);
  border-right: 1px solid var(--border2);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform 0.3s;
}
.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border2);
}
.sidebar-logo .logo-name {
  font-family: var(--head);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--white);
  text-transform: uppercase;
}
.sidebar-logo .logo-sub {
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.sidebar-logo .logo-badge {
  display: inline-block;
  background: var(--accent);
  color: #000;
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 2px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-left: 6px;
}
.sidebar-section {
  padding: 16px 12px 8px;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text3);
  text-transform: uppercase;
  font-weight: 600;
}
.sidebar nav { flex: 1; overflow-y: auto; padding-bottom: 16px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text2);
  cursor: pointer;
  transition: all 0.15s;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-left: 2px solid transparent;
  text-decoration: none;
}
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: rgba(0,212,255,0.06); color: var(--accent); border-left-color: var(--accent); }
.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }
.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: #000;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 700;
}
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border2);
}
.user-info { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.user-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #000;
  font-family: var(--head);
}
.user-name { font-size: 13px; font-weight: 600; color: var(--white); }
.user-role { font-size: 10px; color: var(--accent); letter-spacing: 1px; text-transform: uppercase; }

/* ─── MAIN CONTENT ───────────────────────────────────────── */
.main-content {
  margin-left: 240px;
  flex: 1;
  min-height: 100vh;
  background: var(--bg);
}
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border2);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title {
  font-family: var(--head);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
}
.topbar-right { display: flex; align-items: center; gap: 16px; }
.credit-pill {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent2);
  display: flex;
  align-items: center;
  gap: 6px;
}
.credit-pill .label { color: var(--text2); font-size: 11px; }
.page-body { padding: 28px; }

/* ─── CARDS ──────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-title {
  font-family: var(--head);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-body { padding: 20px; }

/* ─── STATS GRID ─────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.stat-card.blue::after { background: var(--accent); }
.stat-card.green::after { background: var(--accent2); }
.stat-card.orange::after { background: var(--accent3); }
.stat-card.yellow::after { background: var(--warn); }
.stat-label { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--text2); margin-bottom: 10px; }
.stat-value {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.stat-icon {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 24px;
  opacity: 0.15;
}

/* ─── TABLE ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  padding: 10px 16px;
  text-align: left;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text2);
  background: var(--bg3);
  font-weight: 600;
  border-bottom: 1px solid var(--border2);
  white-space: nowrap;
}
tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border2);
  font-size: 13px;
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(255,255,255,0.02); }
.mono { font-family: var(--mono); }
.code-badge {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 3px 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent2);
  word-break: break-all;
}

/* ─── BADGES ─────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.badge-success { background: rgba(0,255,157,0.1); color: var(--accent2); border: 1px solid rgba(0,255,157,0.2); }
.badge-danger { background: rgba(255,59,92,0.1); color: var(--danger); border: 1px solid rgba(255,59,92,0.2); }
.badge-warn { background: rgba(255,204,0,0.1); color: var(--warn); border: 1px solid rgba(255,204,0,0.2); }
.badge-info { background: rgba(0,212,255,0.1); color: var(--accent); border: 1px solid rgba(0,212,255,0.2); }
.badge-purple { background: rgba(180,100,255,0.1); color: #b464ff; border: 1px solid rgba(180,100,255,0.2); }

/* ─── MODAL ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow);
}
.modal::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title {
  font-family: var(--head);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
}
.modal-close {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border2);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ─── OTP REVEAL ─────────────────────────────────────────── */
.otp-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}
.otp-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 10px 14px;
}
.otp-code {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent2);
  letter-spacing: 1px;
}
.otp-copy {
  background: none;
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 3px;
  padding: 3px 10px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s;
}
.otp-copy:hover { border-color: var(--accent); color: var(--accent); }
.otp-copy.copied { border-color: var(--accent2); color: var(--accent2); }

/* ─── PRODUCT GRID ───────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.product-card:hover { border-color: var(--accent); box-shadow: 0 0 15px rgba(0,212,255,0.1); }
.product-card-top {
  padding: 16px;
  border-bottom: 1px solid var(--border2);
  position: relative;
}
.product-cat {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}
.product-name {
  font-family: var(--head);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}
.product-desc { font-size: 12px; color: var(--text2); line-height: 1.5; }
.product-card-bottom {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-price-inr { font-family: var(--mono); color: var(--warn); font-size: 15px; }
.product-price-usdt { font-family: var(--mono); color: var(--accent2); font-size: 12px; margin-top: 2px; }
.product-stock { font-size: 11px; color: var(--text2); }
.stock-count { font-family: var(--mono); color: var(--accent); font-weight: 700; }

/* ─── ALERTS ─────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: 3px;
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.alert-success { background: rgba(0,255,157,0.08); border: 1px solid rgba(0,255,157,0.2); color: var(--accent2); }
.alert-danger { background: rgba(255,59,92,0.08); border: 1px solid rgba(255,59,92,0.2); color: var(--danger); }
.alert-info { background: rgba(0,212,255,0.08); border: 1px solid rgba(0,212,255,0.2); color: var(--accent); }
.alert-warn { background: rgba(255,204,0,0.08); border: 1px solid rgba(255,204,0,0.2); color: var(--warn); }

/* ─── ORDER SUMMARY ──────────────────────────────────────── */
.order-detail-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 20px;
  margin-top: 16px;
}
.order-detail-box h4 {
  font-family: var(--head);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border2);
  font-size: 13px;
}
.detail-row:last-child { border-bottom: none; }
.detail-key { color: var(--text2); }
.detail-val { color: var(--white); font-weight: 600; font-family: var(--mono); }

/* ─── TABS ───────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  color: var(--text2);
  cursor: pointer;
  font-family: var(--head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.2s;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-btn:hover { color: var(--text); }

/* ─── SEARCH / FILTER ────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.search-input {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  padding: 8px 14px;
  outline: none;
  transition: border-color 0.2s;
  min-width: 200px;
}
.search-input:focus { border-color: var(--accent); }
.filter-select {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  padding: 8px 14px;
  outline: none;
  cursor: pointer;
}
.filter-select option { background: var(--card); }

/* ─── GRID UTILITIES ─────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mt-16 { margin-top: 16px; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.muted { color: var(--text2); }
.small { font-size: 12px; }
.mono { font-family: var(--mono); }
.text-accent { color: var(--accent); }
.text-green { color: var(--accent2); }
.text-warn { color: var(--warn); }
.text-danger { color: var(--danger); }
.text-white { color: var(--white); }

/* ─── QUANTITY INPUT ─────────────────────────────────────── */
.qty-input {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  width: fit-content;
}
.qty-btn {
  background: var(--bg3);
  border: none;
  color: var(--text);
  width: 32px; height: 36px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.15s;
}
.qty-btn:hover { background: var(--border); }
.qty-val {
  background: var(--bg2);
  border: none;
  color: var(--white);
  width: 56px; height: 36px;
  text-align: center;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  outline: none;
}

/* ─── TOAST ──────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text);
  min-width: 260px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: slideIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}
.toast.success { border-left: 3px solid var(--accent2); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── EMPTY STATE ────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text2);
}
.empty-state .icon { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }
.empty-state h3 { font-family: var(--head); font-size: 18px; color: var(--text); margin-bottom: 8px; }
.empty-state p { font-size: 13px; }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .page-body { padding: 16px; }
  .products-grid { grid-template-columns: 1fr; }
}