/* ─── TRADE — Global Stylesheet ──────────────────────────────────────────── */

:root {
  --bg:         #f4f6fb;
  --bg-card:    #ffffff;
  --bg-sidebar: #ffffff;
  --bg-input:   #f8f9fc;
  --border:     #e2e6f0;
  --border-hover: #c8cde0;

  --text:       #1a1d2e;
  --text-muted: #8b92b3;
  --text-dim:   #555c7a;

  --accent:     #4f8ef7;
  --accent-hover: #3a7be0;
  --accent-dim: rgba(79, 142, 247, 0.10);

  --buy:        #16a34a;
  --buy-dim:    rgba(22, 163, 74, 0.10);
  --sell:       #dc2626;
  --sell-dim:   rgba(220, 38, 38, 0.10);
  --warn:       #d97706;
  --warn-dim:   rgba(217, 119, 6, 0.10);

  --sidebar-w:  240px;
  --radius:     8px;
  --radius-lg:  12px;

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

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

html { font-size: 15px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ─── Auth Layout ─────────────────────────────────────────────────────────── */

.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
}

.auth-container {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -1px;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.auth-subtitle {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.auth-links {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-links .divider { margin: 0 0.5rem; }

/* ─── App Layout ──────────────────────────────────────────────────────────── */

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

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-nav {
  flex: 1;
  padding: 0.75rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
}

.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover { background: var(--bg-input); color: var(--text); text-decoration: none; }
.nav-item.active { background: var(--accent-dim); color: var(--accent); }

.sidebar-bottom {
  padding: 0.75rem 0.5rem;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-logout { color: var(--text-muted); }
.nav-logout:hover { color: var(--sell); background: var(--sell-dim); }

/* Main content */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 1.5rem 2rem;
  max-width: calc(100vw - var(--sidebar-w));
}

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

.page-header h2 {
  font-size: 1.4rem;
  font-weight: 700;
}

.header-actions { display: flex; gap: 0.5rem; }

.breadcrumb {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { color: var(--text); }

/* ─── Cards ───────────────────────────────────────────────────────────────── */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-header h3 { font-size: 1rem; font-weight: 600; }
.card-header small { color: var(--text-muted); font-size: 0.8rem; }
.card-body { padding: 1.25rem; }
.card-footer { padding: 0.75rem 1.25rem; border-top: 1px solid var(--border); }

/* ─── Stats Grid ──────────────────────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.stats-grid-sm {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

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

.stat-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.stat-value { font-size: 1.5rem; font-weight: 700; }
.webhook-url { font-size: 0.75rem; font-family: var(--font-mono); color: var(--accent); word-break: break-all; }

/* ─── Forms ───────────────────────────────────────────────────────────────── */

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

.form-group small {
  display: block;
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
  display: block;
  width: 100%;
  padding: 0.55rem 0.85rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
  appearance: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
}

input::placeholder { color: var(--text-muted); }
select option { background: var(--bg-card); }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

/* ─── Buttons ─────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font);
  border: none;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-ghost { background: var(--bg-input); color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover:not(:disabled) { background: var(--border); color: var(--text); }

.btn-danger { background: var(--sell-dim); color: var(--sell); border: 1px solid var(--sell); }
.btn-danger:hover:not(:disabled) { background: var(--sell); color: #fff; }

.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }

/* ─── Alerts ──────────────────────────────────────────────────────────────── */

.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  border: 1px solid;
}

.alert.hidden { display: none; }
.alert-success { background: var(--buy-dim);  border-color: var(--buy);  color: var(--buy); }
.alert-error   { background: var(--sell-dim); border-color: var(--sell); color: var(--sell); }
.alert-warning { background: var(--warn-dim); border-color: var(--warn); color: var(--warn); }

/* ─── Tables ──────────────────────────────────────────────────────────────── */

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

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

.data-table th {
  text-align: left;
  padding: 0.65rem 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: rgba(0,0,0,0.025); }

/* ─── Badges ──────────────────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-active  { background: var(--buy-dim);  color: var(--buy); }
.badge-inactive{ background: var(--sell-dim); color: var(--sell); }
.badge-pending { background: var(--warn-dim); color: var(--warn); }
.badge-admin   { background: var(--accent-dim); color: var(--accent); }

/* ─── Empty states ────────────────────────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ─── Modals ──────────────────────────────────────────────────────────────── */

.modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.hidden { display: none; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
}

.modal-box {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-header h3 { font-size: 1.05rem; font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 0.25rem;
}

.modal-close:hover { color: var(--text); }

/* ─── Ticker Detail ───────────────────────────────────────────────────────── */

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
  .detail-grid { grid-template-columns: 1fr; }
}

.info-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.info-table tr:not(:last-child) td { border-bottom: 1px solid var(--border); }
.info-table td { padding: 0.6rem 0; }
.info-table td:first-child { color: var(--text-muted); width: 40%; }
.info-table td:last-child { font-family: var(--font-mono); font-size: 0.8rem; word-break: break-all; }

/* Webhook config */
.webhook-configs { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 768px) { .webhook-configs { grid-template-columns: 1fr; } }

.webhook-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.buy-label  { color: var(--buy); }
.sell-label { color: var(--sell); }

.code-block {
  background: #f0f2f8;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #3a4460;
  white-space: pre;
  overflow-x: auto;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.copy-btn { margin-top: 0.25rem; }

/* ─── Logs ────────────────────────────────────────────────────────────────── */

.log-entry {
  padding: 0.85rem;
  border-radius: var(--radius);
  background: #f8f9fc;
  border: 1px solid var(--border);
  margin-bottom: 0.6rem;
  font-size: 0.825rem;
}

.log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.log-time { color: var(--text-muted); font-size: 0.775rem; }

.log-status-EXECUTED { color: var(--buy); }
.log-status-REJECTED { color: var(--sell); }
.log-status-FAILED   { color: var(--sell); }
.log-status-ERROR    { color: var(--warn); }

.log-detail { color: var(--text-dim); font-family: var(--font-mono); font-size: 0.775rem; }
.log-error  { color: var(--sell); margin-top: 0.3rem; }

.log-pagination {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
}

/* ─── Exchange / Ticker list items ────────────────────────────────────────── */

.item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}

.item-row:last-child { border-bottom: none; }

.item-info { flex: 1; min-width: 0; }
.item-name { font-weight: 600; margin-bottom: 0.2rem; }
.item-sub  { font-size: 0.8rem; color: var(--text-muted); font-family: var(--font-mono); }

.item-actions { display: flex; gap: 0.4rem; flex-shrink: 0; }

/* ─── Ticker list table ───────────────────────────────────────────────────── */

.ticker-pair {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
}

.bot-id {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--text-muted);
}

/* ─── Spinner ─────────────────────────────────────────────────────────────── */

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 0.4rem;
}

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

/* ─── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  :root { --sidebar-w: 0px; }

  .sidebar {
    transform: translateX(-240px);
    transition: transform 0.25s;
    width: 240px;
  }

  .sidebar.open { transform: translateX(0); }

  .main-content {
    margin-left: 0;
    max-width: 100%;
    padding: 1rem;
  }
}