/* ================================================================
   DOZVOL eSPORTS — Design System
   Style: Dark Mode + Glassmorphism
   Palette: Deep space + Electric purple + Cyan mint
   Font: Oxanium (headings) + Inter (body)
   Spacing: 4/8px rhythm | Border-radius: 12px cards / 8px inputs
   ================================================================ */

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

/* ── Tokens ─────────────────────────────────────────────────── */
:root {
  --bg:         #080810;
  --bg-2:       #0e0e1a;
  --surface:    #13131f;
  --surface-2:  #1a1a2a;
  --border:     rgba(255,255,255,0.07);
  --border-h:   rgba(139,92,246,0.4);

  --purple:     #7c3aed;
  --purple-h:   #9b59ff;
  --purple-soft:#7c3aed22;
  --cyan:       #06d6a0;
  --cyan-soft:  #06d6a022;
  --yellow:     #ffd166;
  --yellow-soft:#ffd16622;
  --red:        #ef476f;
  --red-soft:   #ef476f22;

  --text-1:     #f1f5f9;
  --text-2:     #94a3b8;
  --text-3:     #64748b;

  --radius-sm:  6px;
  --radius:     10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow:     0 4px 24px rgba(0,0,0,0.5);
  --shadow-purple: 0 4px 24px rgba(124,58,237,0.25);
  --shadow-cyan:   0 4px 24px rgba(6,214,160,0.2);

  --glass-bg:   rgba(19,19,31,0.7);
  --glass-blur: blur(16px);

  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast:   150ms;
  --dur:        220ms;
  --dur-slow:   350ms;
}

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

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, .font-brand {
  font-family: 'Oxanium', sans-serif;
  letter-spacing: -0.01em;
}

.brand-name {
  font-family: 'Oxanium', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  background: linear-gradient(135deg, #a78bfa, #06d6a0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--purple); }

/* ── Admin Layout ───────────────────────────────────────────── */
.admin-layout {
  display: flex;
  min-height: 100dvh;
}

/* Sidebar */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100dvh;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 24px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo small {
  display: block;
  font-size: 0.7rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
  cursor: pointer;
}

.nav-item svg, .nav-item .bi {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.nav-item:hover {
  background: var(--surface-2);
  color: var(--text-1);
}

.nav-item.active {
  background: var(--purple-soft);
  color: #a78bfa;
  border: 1px solid rgba(124,58,237,0.2);
}

.nav-item.danger { color: var(--red); }
.nav-item.danger:hover { background: var(--red-soft); }

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

/* Main content area */
.main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-title {
  font-family: 'Oxanium', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-1);
  flex: 1;
}

.page-body {
  flex: 1;
  padding: 24px;
  overflow-x: hidden;
}

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

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: transparent;
}

.card-header .bi { color: var(--purple); font-size: 1rem; }
.card-body { padding: 20px; }

/* ── Stat Cards ─────────────────────────────────────────────── */
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out);
}

.stat-card:hover {
  border-color: var(--border-h);
  transform: translateY(-2px);
}

.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.stat-icon.purple { background: var(--purple-soft); color: #a78bfa; }
.stat-icon.cyan   { background: var(--cyan-soft);   color: var(--cyan); }
.stat-icon.yellow { background: var(--yellow-soft); color: var(--yellow); }
.stat-icon.red    { background: var(--red-soft);    color: var(--red); }

.stat-value {
  font-family: 'Oxanium', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-2);
  margin-top: 4px;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  touch-action: manipulation;
  min-height: 44px;
}

.btn:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--purple);
  color: #fff;
  box-shadow: var(--shadow-purple);
}
.btn-primary:hover {
  background: var(--purple-h);
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(124,58,237,0.4);
}
.btn-primary:active { transform: scale(0.97); }

.btn-secondary {
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface); color: var(--text-1); border-color: var(--border-h); }

.btn-success {
  background: var(--cyan);
  color: #0a0a0f;
  box-shadow: var(--shadow-cyan);
}
.btn-success:hover { background: #00e8ad; transform: translateY(-1px); }
.btn-success:active { transform: scale(0.97); }

.btn-danger {
  background: var(--red-soft);
  color: var(--red);
  border: 1px solid rgba(239,71,111,0.3);
}
.btn-danger:hover { background: var(--red); color: #fff; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
}
.btn-outline:hover { border-color: var(--border-h); color: var(--text-1); background: var(--surface-2); }

.btn-sm { padding: 6px 14px; font-size: 0.8rem; min-height: 36px; }
.btn-lg { padding: 14px 28px; font-size: 1rem; min-height: 52px; }
.btn-full { width: 100%; }

.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-pending {
  background: var(--yellow-soft);
  color: var(--yellow);
  border: 1px solid rgba(255,209,102,0.25);
}
.badge-signed {
  background: var(--cyan-soft);
  color: var(--cyan);
  border: 1px solid rgba(6,214,160,0.25);
}
.badge-active {
  background: var(--purple-soft);
  color: #a78bfa;
  border: 1px solid rgba(124,58,237,0.25);
}
.badge-completed {
  background: rgba(100,116,139,0.15);
  color: var(--text-3);
  border: 1px solid var(--border);
}
.badge-available { background: var(--cyan-soft); color: var(--cyan); border: 1px solid rgba(6,214,160,0.2); }
.badge-rented    { background: var(--yellow-soft); color: var(--yellow); border: 1px solid rgba(255,209,102,0.2); }
.badge-repair    { background: var(--red-soft); color: var(--red); border: 1px solid rgba(239,71,111,0.2); }

/* ── Tables ─────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.875rem;
}

.data-table thead tr th {
  padding: 12px 16px;
  background: var(--surface-2);
  color: var(--text-3);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.data-table thead tr th:first-child { border-radius: var(--radius) 0 0 0; }
.data-table thead tr th:last-child  { border-radius: 0 var(--radius) 0 0; }

.data-table tbody tr td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text-1);
}

.data-table tbody tr:last-child td { border-bottom: none; }

.data-table tbody tr {
  transition: background var(--dur-fast);
}
.data-table tbody tr:hover td { background: rgba(255,255,255,0.025); }

.data-table .mono { font-family: 'Courier New', monospace; font-size: 0.82rem; color: var(--text-2); }
.data-table .fw-med { font-weight: 500; }
.data-table .amount { font-family: 'Oxanium', sans-serif; color: #a78bfa; font-weight: 600; }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-3);
}
.empty-state .bi { font-size: 2.5rem; margin-bottom: 12px; display: block; }

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.form-label .req { color: var(--red); margin-left: 2px; }

.form-control, .form-select {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-1);
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  min-height: 44px;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  appearance: none;
}

.form-control::placeholder { color: var(--text-3); }

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.2);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%2394a3b8' d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 10px;
  padding-right: 36px;
  cursor: pointer;
}

.form-select option { background: var(--surface); color: var(--text-1); }

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

.form-hint {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 5px;
}

.form-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
}

.form-section-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--surface-2);
}

.form-section-header .bi { color: var(--purple); }
.form-section-body { padding: 20px; }

.input-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.input-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.input-grid-4 { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 16px; }

@media (max-width: 640px) {
  .input-grid-2, .input-grid-3, .input-grid-4 { grid-template-columns: 1fr; }
}

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.alert-danger  { background: var(--red-soft);    color: var(--red);    border: 1px solid rgba(239,71,111,0.25); }
.alert-warning { background: var(--yellow-soft); color: var(--yellow); border: 1px solid rgba(255,209,102,0.25); }
.alert-success { background: var(--cyan-soft);   color: var(--cyan);   border: 1px solid rgba(6,214,160,0.25); }
.alert-info    { background: var(--purple-soft); color: #a78bfa;       border: 1px solid rgba(124,58,237,0.25); }

/* ── Copy input ─────────────────────────────────────────────── */
.copy-row {
  display: flex;
  gap: 8px;
}
.copy-row .form-control {
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--text-2);
  flex: 1;
}

/* ── Info grid (dl replacement) ─────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  row-gap: 10px;
}
.info-grid .lbl {
  font-size: 0.78rem;
  color: var(--text-3);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-top: 2px;
}
.info-grid .val {
  font-size: 0.9rem;
  color: var(--text-1);
  font-weight: 500;
  word-break: break-word;
}
.info-grid .val.accent { color: #a78bfa; font-family: 'Oxanium', sans-serif; font-size: 1.1rem; }
.info-grid .val.mono   { font-family: 'Courier New', monospace; font-size: 0.82rem; color: var(--text-2); }

/* ── Sign step indicators ───────────────────────────────────── */
.sign-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--dur), background var(--dur);
}

.sign-step.signing { border-color: var(--purple); background: var(--purple-soft); }
.sign-step.done    { border-color: var(--cyan);   background: var(--cyan-soft); }
.sign-step.error   { border-color: var(--red);    background: var(--red-soft); }

.step-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: color var(--dur);
}
.sign-step .step-icon          { color: var(--text-3); }
.sign-step.signing .step-icon  { color: var(--purple-h); }
.sign-step.done    .step-icon  { color: var(--cyan); }
.sign-step.error   .step-icon  { color: var(--red); }

.step-name {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 500;
}
.step-status {
  font-size: 0.78rem;
  color: var(--text-3);
  transition: color var(--dur);
}
.sign-step.signing .step-status { color: var(--purple-h); }
.sign-step.done    .step-status { color: var(--cyan); }
.sign-step.error   .step-status { color: var(--red); }

/* ── Spinner ────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Public pages (sign / verify) ───────────────────────────── */
.public-page {
  min-height: 100dvh;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(124,58,237,0.15), transparent),
              var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 16px;
}

.public-header {
  text-align: center;
  margin-bottom: 32px;
}

.public-header .subtitle {
  font-size: 0.8rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 6px;
}

.public-card {
  width: 100%;
  max-width: 640px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

/* ── Status banners ─────────────────────────────────────────── */
.status-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
}

.status-banner .s-icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
}

.status-banner h2 { font-size: 1rem; font-weight: 700; margin-bottom: 3px; }
.status-banner p  { font-size: 0.83rem; opacity: 0.75; }

.status-signed  { background: linear-gradient(135deg, rgba(6,214,160,0.12), rgba(6,214,160,0.05)); border-bottom: 1px solid rgba(6,214,160,0.2); }
.status-signed  h2 { color: var(--cyan); }
.status-pending { background: linear-gradient(135deg, rgba(255,209,102,0.1), rgba(255,209,102,0.04)); border-bottom: 1px solid rgba(255,209,102,0.2); }
.status-pending h2 { color: var(--yellow); }
.status-error   { background: linear-gradient(135deg, rgba(239,71,111,0.1), rgba(239,71,111,0.04)); border-bottom: 1px solid rgba(239,71,111,0.2); }
.status-error   h2 { color: var(--red); }

/* ── Success screen ─────────────────────────────────────────── */
.success-screen {
  text-align: center;
  padding: 48px 24px;
}

.success-screen .check-icon {
  width: 72px; height: 72px;
  background: var(--cyan-soft);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 2rem;
  color: var(--cyan);
}

/* ── Login page ─────────────────────────────────────────────── */
.login-page {
  min-height: 100dvh;
  background: radial-gradient(ellipse 100% 80% at 50% 0%, rgba(124,58,237,0.2), transparent),
              var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow);
}

.login-card .logo-area {
  text-align: center;
  margin-bottom: 32px;
}

.logo-mark {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--purple), #a78bfa);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.6rem;
  box-shadow: var(--shadow-purple);
}

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

/* ── Verify page details ────────────────────────────────────── */
.cert-serial-val {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  color: var(--text-2);
  word-break: break-all;
  background: var(--bg-2);
  padding: 4px 8px;
  border-radius: 4px;
}

.tsa-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--cyan-soft);
  color: var(--cyan);
  border: 1px solid rgba(6,214,160,0.25);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .topbar { padding: 0 16px; }
  .page-body { padding: 16px; }
  .input-grid-2 { grid-template-columns: 1fr; }
  .input-grid-3 { grid-template-columns: 1fr; }
  .public-page { padding: 24px 12px; }
}

/* ── Utility ────────────────────────────────────────────────── */
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.flex   { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.text-muted { color: var(--text-2); }
.text-faint { color: var(--text-3); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

@media (max-width: 640px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}