/* ===== CSS Variables ===== */
:root {
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --primary-light: #EEF2FF;
  --success: #10B981;
  --success-bg: #ECFDF5;
  --warning: #F59E0B;
  --warning-bg: #FFFBEB;
  --danger: #EF4444;
  --danger-bg: #FEF2F2;
  --dark: #1E293B;
  --dark-2: #334155;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --white: #FFFFFF;
  --radius-sm: 8px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --transition: all 0.2s ease;
  --max-width: 1280px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  color: var(--gray-800);
  background: var(--gray-50);
  line-height: 1.6;
  min-height: 100vh;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--dark);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #4F46E5, #7C3AED);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}

.nav { display: flex; gap: 8px; }
.nav a {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
}
.nav a:hover { background: var(--gray-100); color: var(--dark); }
.nav a.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gray-400);
}
.status-dot.online { background: var(--success); animation: blink 2s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* ===== Main ===== */
.main { padding: 28px 0 60px; min-height: calc(100vh - 140px); }

/* ===== Auth Banner ===== */
.auth-banner {
  background: var(--warning-bg);
  border: 1px solid #FDE68A;
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin-bottom: 28px;
}
.auth-icon { font-size: 2.5rem; margin-bottom: 12px; }
.auth-msg strong { display: block; font-size: 1.1rem; color: var(--dark); margin-bottom: 8px; }
.auth-msg p { color: var(--gray-600); font-size: 0.95rem; }
.auth-msg code { background: #FFF7ED; color: #C2410C; padding: 2px 8px; border-radius: 4px; font-size: 0.85rem; }
.auth-msg a { color: var(--primary); text-decoration: underline; }

/* ===== Info Cards ===== */
.info-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.info-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.info-label {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
}

.info-value.mono {
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  color: var(--primary);
  word-break: break-all;
}

.info-value.balance { color: var(--success); }

/* ===== Panel ===== */
.panel {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  overflow: hidden;
}

.panel-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-header h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
}

.panel-body {
  padding: 24px;
}

/* ===== Form ===== */
.form-row {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  align-items: flex-end;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.flex-1 { flex: 1; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.form-group select,
.form-group input {
  height: 42px;
  padding: 0 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--dark);
  background: var(--white);
  transition: var(--transition);
  outline: none;
  font-family: inherit;
}

.form-group select:focus,
.form-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
  height: 42px;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-outline {
  background: var(--white);
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-light); }

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
  height: auto;
}

.btn-success {
  background: var(--success);
  color: var(--white);
}
.btn-success:hover { opacity: 0.9; }

.btn-danger {
  background: var(--danger);
  color: var(--white);
}
.btn-danger:hover { opacity: 0.9; }

.btn-warning {
  background: var(--warning);
  color: var(--white);
}
.btn-warning:hover { opacity: 0.9; }

/* ===== Table ===== */
.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table thead { background: var(--gray-50); }
.table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-500);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}

.table tbody tr {
  transition: var(--transition);
}
.table tbody tr:hover { background: var(--gray-50); }

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray-400);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.empty-state p {
  font-size: 0.95rem;
  color: var(--gray-500);
}

/* ===== Task Grid ===== */
.task-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 16px;
}

.task-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.task-card.active {
  border-color: var(--primary);
  background: var(--primary-light);
}

.task-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.task-phone {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 0.5px;
}

.task-badge {
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.task-badge.waiting {
  background: #FFF7ED;
  color: #C2410C;
}

.task-badge.received {
  background: var(--success-bg);
  color: #047857;
}

.task-badge.expired {
  background: var(--danger-bg);
  color: #B91C1C;
}

.task-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.task-info-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-600);
}

.task-info-row .label { color: var(--gray-500); flex-shrink: 0; }

.sms-box {
  background: var(--white);
  border: 1px solid var(--green-300, #86EFAC);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 14px;
  display: none;
}

.sms-box.show { display: block; }

.sms-label {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sms-content {
  font-size: 0.9rem;
  color: var(--dark);
  margin-bottom: 4px;
  word-break: break-word;
}

.sms-code {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 4px;
  font-family: 'Courier New', monospace;
}

.task-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ===== History ===== */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.tag-success { background: var(--success-bg); color: #047857; }
.tag-waiting { background: var(--warning-bg); color: #B45309; }
.tag-released { background: var(--gray-100); color: var(--gray-600); }
.tag-blacklisted { background: var(--danger-bg); color: #B91C1C; }

/* ===== Footer ===== */
.footer {
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 20px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  font-weight: 700;
  color: var(--dark);
}

/* ===== Token Box ===== */
.token-box {
  margin-top: 16px;
  padding: 16px 20px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.token-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.token-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
}

.token-value {
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  color: var(--primary);
  background: var(--white);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--gray-200);
  word-break: break-all;
  flex: 1;
}

.token-status {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 100px;
}

.token-status.success { background: var(--success-bg); color: #047857; }
.token-status.expired { background: var(--danger-bg); color: #B91C1C; }

/* ===== Tips Box ===== */
.tips-box {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 0.88rem;
  line-height: 1.8;
  color: #1E40AF;
}

.tips-box strong { display: block; margin-bottom: 4px; }

.tips-box code {
  background: #DBEAFE;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.85rem;
  color: #1D4ED8;
}

.tips-box b { color: #1E3A8A; }

.tips-warn {
  background: #FFFBEB;
  border-color: #FDE68A;
  color: #92400E;
}

.tips-warn code { background: #FEF3C7; color: #B45309; }

/* ===== Hint Text ===== */
.hint-text {
  font-size: 0.82rem;
  color: var(--gray-400);
  font-weight: 400;
}

/* ===== Password Input ===== */
.form-group input[type="password"] {
  font-family: 'Courier New', monospace;
  letter-spacing: 2px;
}

/* ===== Info Cards Legacy ===== */
.info-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.info-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.info-label {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
}

.info-value.mono {
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  color: var(--primary);
  word-break: break-all;
}

.info-value.balance { color: var(--success); }

/* ===== Utility ===== */
.mono { font-family: 'Courier New', monospace; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  animation: slideIn 0.3s ease;
  font-size: 0.9rem;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--primary); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

.toast.removing { animation: slideOut 0.3s ease forwards; }

/* ===== Spinner ===== */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--gray-300);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ===== Workspace Form ===== */
.workspace-form {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
}

.workspace-form .form-row:last-child {
  margin-bottom: 0;
}

/* ===== Task Table ===== */
.task-table {
  font-size: 0.85rem;
}

.task-table th {
  font-size: 0.72rem;
}

.task-table td {
  padding: 10px 12px;
  vertical-align: middle;
}

/* ===== Task Status Badges ===== */
.task-status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.task-status.waiting {
  background: var(--warning-bg);
  color: #B45309;
}

.task-status.waiting.urgent {
  background: var(--danger-bg);
  color: #B91C1C;
  animation: pulse 1s infinite;
}

.task-status.done {
  background: var(--success-bg);
  color: #047857;
}

.task-status.expired {
  background: var(--gray-100);
  color: var(--gray-500);
}

@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ===== Code Cell ===== */
.code-cell {
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--primary-light);
  transition: var(--transition);
}

.code-cell:hover {
  background: var(--primary);
  color: white;
}

/* ===== SMS Cell ===== */
.sms-cell {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.82rem;
  color: var(--gray-600);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .info-cards { grid-template-columns: repeat(2, 1fr); }
  .task-grid { grid-template-columns: 1fr; }
  .workspace-form .form-row { flex-wrap: wrap; }
}

@media (max-width: 768px) {
  .form-row { flex-direction: column; }
  .info-cards { grid-template-columns: 1fr; }
  .header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}