:root {
  color-scheme: dark;
  --bg: #070b14;
  --bg-card: #0f1626;
  --bg-elevated: #162038;
  --bg-input: #0a101d;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --line: rgba(148, 163, 184, 0.16);
  --primary: #10b981;
  --primary-hover: #059669;
  --sky: #38bdf8;
  --amber: #f59e0b;
  --rose: #f43f5e;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 50% 0%, #111c35 0%, var(--bg) 65%);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
}

.hidden {
  display: none !important;
}

/* Header */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: rgba(7, 11, 20, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: var(--primary);
  font-family: var(--mono);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.brand-title {
  display: block;
  font-weight: 700;
  font-size: 15px;
}

.brand-sub {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Layout */
.shell {
  width: min(1360px, calc(100% - 32px));
  margin: 24px auto 56px;
}

/* Toast — trượt từ góc trên mép phải, nổi độc lập không làm đẩy nội dung */
.toast {
  position: fixed;
  top: 74px;
  right: 20px;
  z-index: 100;
  max-width: min(420px, calc(100vw - 32px));
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid rgba(56, 189, 248, 0.4);
  background: rgba(15, 22, 38, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.55);
  color: var(--text);
  font-weight: 600;
  font-size: 13px;
  line-height: 1.45;
  pointer-events: none;
  opacity: 0;
  transform: translateX(calc(100% + 28px));
  transition:
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.22s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.toast.error {
  border-color: rgba(244, 63, 94, 0.55);
  color: #fda4af;
}

.toast.success {
  border-color: rgba(16, 185, 129, 0.55);
  color: #6ee7b7;
}

/* Nút trạng thái Bot trên Header */
.bot-status-btn {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  color: var(--text);
  padding: 7px 12px;
  font-size: 12.5px;
}

.bot-status-btn:hover:not(:disabled) {
  border-color: var(--sky);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--muted);
  display: inline-block;
  flex-shrink: 0;
}

.bot-status-btn.online {
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.1);
  color: #6ee7b7;
}

.bot-status-btn.online .status-dot {
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}

.bot-status-btn.warn {
  border-color: rgba(245, 158, 11, 0.45);
  background: rgba(245, 158, 11, 0.1);
  color: #fcd34d;
}

.bot-status-btn.warn .status-dot {
  background: var(--amber);
}

.bot-status-btn.offline {
  border-color: rgba(244, 63, 94, 0.45);
  background: rgba(244, 63, 94, 0.1);
  color: #fda4af;
}

.bot-status-btn.offline .status-dot {
  background: var(--rose);
}

/* Login Card */
.login-card {
  max-width: 440px;
  margin: 64px auto;
  padding: 28px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--bg-card);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 22px;
}

.muted {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.hint {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fcd34d;
  font-size: 12.5px;
}

/* Forms & Inputs */
.stack-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.field > span {
  font-size: 12.5px;
  font-weight: 600;
  color: #cbd5e1;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-input);
  color: var(--text);
  font: inherit;
  transition: border-color 0.15s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.quick-days {
  display: flex;
  gap: 6px;
  height: 39px;
}

.chip {
  flex: 1;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-input);
  color: var(--text);
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
}

.chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--primary);
  color: #042f2e;
}

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

.btn.ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  color: var(--text);
}

.btn.ghost:hover:not(:disabled) {
  border-color: var(--sky);
  color: var(--sky);
}

.btn.danger-ghost {
  background: rgba(244, 63, 94, 0.1);
  border-color: rgba(244, 63, 94, 0.3);
  color: #fda4af;
}

.btn.danger-ghost:hover:not(:disabled) {
  background: rgba(244, 63, 94, 0.2);
}

.btn.full {
  width: 100%;
}

.btn.mini {
  padding: 5px 9px;
  font-size: 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
  color: var(--text);
}

.btn.mini:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.btn.mini.warn:hover:not(:disabled) {
  border-color: var(--amber);
  color: var(--amber);
}

.btn.mini.danger:hover:not(:disabled) {
  border-color: var(--rose);
  color: var(--rose);
}

/* Dashboard Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  padding: 18px 20px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-card);
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
}

.stat-card strong {
  display: block;
  margin: 6px 0 4px;
  font-size: 28px;
  font-family: var(--mono);
}

.stat-card small {
  color: var(--muted);
  font-size: 12px;
}

.stat-card.accent-green strong {
  color: var(--primary);
}

.stat-card.accent-sky strong {
  color: var(--sky);
}

.stat-card.accent-amber strong {
  color: var(--amber);
}

/* Main Grid */
.main-grid {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.panel {
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-card);
}

.panel-head h2 {
  margin: 0 0 4px;
  font-size: 17px;
}

.panel-head.split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.search-input {
  width: 230px;
}

.select-input {
  width: 170px;
}

/* Created Box */
.created-box {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.created-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 12.5px;
}

#createdOutput {
  font-family: var(--mono);
  font-size: 12.5px;
  color: #6ee7b7;
  resize: vertical;
}

/* Table */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 11px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.right {
  text-align: right;
}

.mono-key {
  font-family: var(--mono);
  font-weight: 700;
  color: #e2e8f0;
  font-size: 13px;
}

.mono-sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
}

.badge.ok {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
}

.badge.locked {
  background: rgba(244, 63, 94, 0.15);
  color: #fda4af;
}

.badge.expired {
  background: rgba(245, 158, 11, 0.15);
  color: #fcd34d;
}

.row-actions {
  display: inline-flex;
  gap: 5px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (max-width: 1060px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .main-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .row-2 {
    grid-template-columns: 1fr;
  }
  .search-input,
  .select-input {
    width: 100%;
  }
}