/* ==========================================================================
   BotTV Command Center — Design System (Linear / Vercel / Stripe Inspired)
   ========================================================================== */

:root {
  --bg-base: #090a0f;
  --bg-surface: #10121a;
  --bg-elevated: #161924;
  --bg-hover: #1d2130;
  --bg-glass: rgba(16, 18, 26, 0.78);

  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);
  --border-focus: #6366f1;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.22);

  --creator-gold: #f59e0b;
  --creator-glow: rgba(245, 158, 11, 0.18);

  --status-success: #10b981;
  --status-success-bg: rgba(16, 185, 129, 0.12);
  --status-warning: #f59e0b;
  --status-warning-bg: rgba(245, 158, 11, 0.12);
  --status-danger: #ef4444;
  --status-danger-bg: rgba(239, 68, 68, 0.12);
  --status-info: #06b6d4;
  --status-info-bg: rgba(6, 182, 212, 0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-elevated: #f1f5f9;
  --bg-hover: #e2e8f0;
  --bg-glass: rgba(255, 255, 255, 0.85);

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.15);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.12);
}

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

html, body {
  height: 100%;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* ==========================================================================
   LOGIN GATEWAY SCREEN
   ========================================================================== */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  background:
    radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.15), transparent 42%),
    radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.12), transparent 40%),
    var(--bg-base);
}

.auth-card {
  width: 100%;
  max-width: 460px;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.auth-logo {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.auth-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.auth-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: var(--bg-elevated);
  padding: 4px;
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
  border: 1px solid var(--border-subtle);
}

.auth-tab {
  padding: 8px 12px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12.5px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.auth-tab.active {
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.widget-box {
  min-height: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: 22px;
  text-align: center;
  gap: 12px;
}

.security-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--status-success);
  background: var(--status-success-bg);
  padding: 5px 11px;
  border-radius: var(--radius-full);
  font-weight: 600;
  margin-top: 18px;
}

/* ==========================================================================
   MAIN APP LAYOUT (SIDEBAR + HEADER + WORKSPACE)
   ========================================================================== */
.app-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 40;
  transition: transform var(--transition-smooth);
}

.sidebar-brand {
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-info {
  display: flex;
  align-items: center;
  gap: 11px;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, #6366f1, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
}

.brand-name {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.02em;
}

.brand-tag {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
  padding: 12px 10px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  width: 100%;
  text-align: left;
}

.nav-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-item svg {
  width: 17px;
  height: 17px;
  opacity: 0.82;
}

.nav-item:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-glow);
  color: #818cf8;
  border-color: rgba(99, 102, 241, 0.28);
  font-weight: 600;
}

[data-theme="light"] .nav-item.active {
  color: var(--accent-primary);
}

.nav-item.creator-nav.active {
  background: var(--creator-glow);
  color: var(--creator-gold);
  border-color: rgba(245, 158, 11, 0.35);
}

.nav-badge {
  font-size: 11px;
  padding: 1px 7px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 600;
}

.nav-badge.warn {
  background: var(--status-warning-bg);
  color: var(--status-warning);
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.operator-card {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.operator-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.operator-meta {
  min-width: 0;
}

.operator-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.operator-role {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   MAIN CONTENT & TOPBAR
   ========================================================================== */
.main-area {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: 64px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 30;
  gap: 16px;
}

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

.mobile-menu-btn {
  display: none;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 7px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.page-heading {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

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

.dot.maint {
  background: var(--status-warning);
  box-shadow: 0 0 8px var(--status-warning);
}

.workspace {
  padding: 26px 28px 60px;
  max-width: 1480px;
  width: 100%;
  margin: 0 auto;
}

/* ==========================================================================
   DATE FILTER BAR (PRESETS + RANGE + SPECIFIC DAY NAVIGATOR)
   ========================================================================== */
.analytics-toolbar {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.preset-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.preset-btn {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.preset-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.preset-btn.active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.date-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.day-stepper {
  display: inline-flex;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.day-stepper button {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 9px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.day-stepper button:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.day-stepper input[type="date"] {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 8px;
  outline: none;
}

.range-inputs {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
}

.range-inputs input[type="date"] {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12px;
  outline: none;
}

/* ==========================================================================
   KPI CARDS & GRIDS
   ========================================================================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

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

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 10px;
}

.kpi-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.kpi-value {
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.kpi-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.delta-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 11.5px;
}

.delta-badge.up {
  background: var(--status-success-bg);
  color: var(--status-success);
}

.delta-badge.down {
  background: var(--status-danger-bg);
  color: var(--status-danger);
}

.delta-badge.neutral {
  background: var(--bg-elevated);
  color: var(--text-secondary);
}

/* ==========================================================================
   CHARTS & PANELS
   ========================================================================== */
.grid-2col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 18px;
  margin-bottom: 22px;
}

.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}

.panel-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.panel-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
}

.chart-container {
  width: 100%;
  height: 290px;
  position: relative;
}

/* ==========================================================================
   TABLES, BADGES & BUTTONS
   ========================================================================== */
.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.data-table th {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

table.data-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13.5px;
  vertical-align: middle;
}

table.data-table tr:hover td {
  background: var(--bg-elevated);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success {
  background: var(--status-success-bg);
  color: var(--status-success);
}

.badge-warning {
  background: var(--status-warning-bg);
  color: var(--status-warning);
}

.badge-danger {
  background: var(--status-danger-bg);
  color: var(--status-danger);
}

.badge-info {
  background: var(--status-info-bg);
  color: var(--status-info);
}

.badge-neutral {
  background: var(--bg-elevated);
  color: var(--text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-fast);
  font-family: inherit;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
}

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

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--border-strong);
}

.btn-success {
  background: var(--status-success-bg);
  color: var(--status-success);
  border-color: rgba(16, 185, 129, 0.3);
}

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

.btn-danger {
  background: var(--status-danger-bg);
  color: var(--status-danger);
  border-color: rgba(239, 68, 68, 0.3);
}

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

.btn-creator {
  background: var(--creator-glow);
  color: var(--creator-gold);
  border-color: rgba(245, 158, 11, 0.35);
}

.btn-creator:hover:not(:disabled) {
  background: var(--creator-gold);
  color: #090a0f;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

/* ==========================================================================
   FORMS & INPUTS
   ========================================================================== */
.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13.5px;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
  min-height: 110px;
  resize: vertical;
}

/* ==========================================================================
   MODALS & TOASTS
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
  animation: fadeIn 0.18s ease-out;
}

.modal-card {
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 200;
}

.toast {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  animation: slideInRight 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .app-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 270px;
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
  .workspace {
    padding: 18px 16px 50px;
  }
  .topbar {
    padding: 0 16px;
  }
}