/* J-Board KEY v2 — Light Theme */

@import url('https://fonts.googleapis.com/css2?family=Staatliches&display=swap');

:root {
  --color-bg: #f5f6f8;
  --color-text: #1a1a2e;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-surface: #ffffff;
  --color-surface-hover: #f9fafb;
  --color-border: #e5e7eb;
  --color-border-light: #d1d5db;
  --color-success: #059669;
  --color-danger: #dc2626;
  --color-warning: #d97706;

  --font-display: 'Staatliches', 'Arial Black', sans-serif;
  --font-body: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  --radius: 10px;
  --radius-sm: 6px;
  --transition: 0.2s ease;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
}

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

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  min-height: 100vh;
}

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

/* ---- Layout ---- */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 30px 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
  box-shadow: var(--shadow-sm);
}

.sidebar-brand {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.02em;
  padding: 0 24px 30px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 8px;
}

.sidebar-nav { flex: 1; }

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition), background var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.sidebar-nav a.active { border-right: 2px solid var(--color-accent); }

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-muted);
}

.main-content {
  flex: 1;
  margin-left: 240px;
  padding: 40px;
  max-width: 1200px;
}

/* ---- Typography ---- */

h1, .h1 {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 400;
}

h2, .h2 {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 400;
}

h3, .h3 { font-size: 16px; font-weight: 600; }

.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-mono { font-family: var(--font-mono); }

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-body);
  border-radius: var(--radius);
  border: 1.5px solid var(--color-border-light);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  background: var(--color-text);
  color: var(--color-surface);
  border-color: var(--color-text);
}

.btn-sm { padding: 8px 16px; font-size: 12px; }
.btn-xs { padding: 4px 10px; font-size: 11px; border-width: 1px; }

.btn-accent {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #ffffff;
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #ffffff;
}

.btn-danger {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background: transparent;
}
.btn-danger:hover {
  background: var(--color-danger);
  color: #ffffff;
}

.btn-success {
  border-color: var(--color-success);
  color: var(--color-success);
  background: transparent;
}
.btn-success:hover {
  background: var(--color-success);
  color: #ffffff;
}

.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text-secondary);
  background: transparent;
  box-shadow: none;
}
.btn-ghost:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---- Forms ---- */

.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-input::placeholder { color: var(--color-text-muted); }

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

textarea.form-input { resize: vertical; min-height: 100px; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

/* ---- Cards ---- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.card-title { font-size: 14px; font-weight: 600; }

/* ---- Stats ---- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---- Tables ---- */

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
}

td {
  padding: 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

tr:hover td { background: var(--color-surface-hover); }

/* ---- Pills / Badges ---- */

.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pill-active { background: rgba(5,150,105,0.1); color: var(--color-success); }
.pill-revoked { background: rgba(220,38,38,0.1); color: var(--color-danger); }
.pill-expired { background: rgba(217,119,6,0.1); color: var(--color-warning); }
.pill-pending { background: rgba(107,114,128,0.1); color: var(--color-text-secondary); }
.pill-paid { background: rgba(5,150,105,0.1); color: var(--color-success); }
.pill-confirming { background: rgba(37,99,235,0.1); color: var(--color-accent); }
.pill-awaiting_payment { background: rgba(217,119,6,0.1); color: var(--color-warning); }

/* ---- Toast ---- */

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  box-shadow: var(--shadow);
  animation: toast-in 0.3s ease;
  max-width: 400px;
}

.toast-success { border-color: var(--color-success); }
.toast-error { border-color: var(--color-danger); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---- Modal ---- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ---- Hero (Landing) ---- */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 80px;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 48px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-actions .btn { padding: 20px 40px; font-size: 14px; }

/* ---- Plans Grid ---- */

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 60px auto 0;
  padding: 0 24px;
}

.plan-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: left;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}

.plan-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(37,99,235,0.1);
}

.plan-name {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.plan-price {
  font-family: var(--font-display);
  font-size: 48px;
  letter-spacing: -0.02em;
  line-height: 1;
}

.plan-price-suffix {
  font-size: 14px;
  color: var(--color-text-muted);
  font-family: var(--font-body);
}

.plan-features {
  list-style: none;
  margin: 24px 0;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.plan-features li {
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
}

.plan-features li::before {
  content: '\2713';
  margin-right: 8px;
  color: var(--color-accent);
  font-weight: 700;
}

/* ---- Auth Pages ---- */

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--color-bg);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.auth-title {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.auth-subtitle {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: 32px;
}

.auth-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--color-text-muted);
}

.auth-footer a { color: var(--color-accent); }

/* ---- Checkout ---- */

.checkout-card {
  max-width: 600px;
  margin: 0 auto;
}

.payment-info {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin: 20px 0;
}

.payment-address {
  font-family: var(--font-mono);
  font-size: 14px;
  word-break: break-all;
  padding: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin: 8px 0;
  user-select: all;
}

.payment-amount {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: -0.02em;
}

/* ---- Utilities ---- */

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.p-4 { padding: 16px; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- Responsive ---- */

@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; padding: 20px; }
  .hero-title { font-size: 48px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .plans-grid { grid-template-columns: 1fr; }
}

/* ---- Page Header ---- */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 30px;
  letter-spacing: -0.02em;
}

/* ---- Search ---- */

.search-bar {
  position: relative;
  max-width: 320px;
}

.search-bar input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  font-size: 13px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  outline: none;
}

.search-bar input:focus { border-color: var(--color-accent); }

/* ---- Empty State ---- */

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
}

.empty-state-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }
.empty-state-text { font-size: 14px; }

/* ---- Nav (Public) ---- */

.public-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(8px);
}

.public-nav-brand {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.02em;
}

.public-nav-links {
  display: flex;
  gap: 24px;
  font-size: 13px;
}

.public-nav-links a { color: var(--color-text-secondary); }
.public-nav-links a:hover { color: var(--color-text); }

/* ---- Section Divider ---- */

.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 32px 0;
}

/* ---- Loading ---- */

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Code Block ---- */

.code-block {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  overflow-x: auto;
  white-space: pre;
}