/* =============================================================================
 * SCRIPT METADATA & MICRO-README: styles.css
 * =============================================================================
 * Purpose: Responsive, modern dark-themed UI optimized for 375px+ mobile
 *          displays and touch interfaces. Zero CSS framework dependencies.
 * ============================================================================= */

:root {
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #334155;
  --border-color: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --accent: #06b6d4;
  --success: #10b981;
  --danger: #ef4444;
  --radius: 12px;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-main);
  min-height: 100vh;
  padding-bottom: 40px;
}

.app-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0 20px 0;
}

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

.brand-icon {
  font-size: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 8px;
  border-radius: var(--radius);
}

.brand-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 9999px;
}

.badge-edge {
  background-color: rgba(59, 130, 246, 0.2);
  color: var(--primary);
  border: 1px solid var(--primary);
}

/* Metric Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

@media (min-width: 640px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 14px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.text-success { color: var(--success); }
.text-accent { color: var(--accent); }

/* Tabs */
.tab-nav {
  display: flex;
  background-color: var(--bg-card);
  padding: 4px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  gap: 4px;
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 8px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.section-title-row h2 {
  font-size: 1.1rem;
}

/* Cards & Forms */
.cards-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.trigger-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
}

.trigger-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.trigger-title {
  font-weight: 700;
  font-size: 1rem;
}

.trigger-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.keyword-pill {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 2px 8px;
  font-size: 0.75rem;
  border-radius: 6px;
  font-family: var(--font-mono);
}

.trigger-dm-preview {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.25);
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 12px;
}

.trigger-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Form Styles */
.card-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 18px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-main);
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 12px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
}

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

.help-text {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 640px) {
  .form-row {
    flex-direction: row;
  }
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

/* Buttons & Toggles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  padding: 10px 16px;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--bg-card-hover); color: var(--text-main); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 10px; font-size: 0.8rem; }
.btn-icon { background: var(--bg-card); border: 1px solid var(--border-color); font-size: 1.1rem; padding: 8px; }

/* Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--border-color);
  transition: .3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider { background-color: var(--success); }
input:checked + .slider:before { transform: translateX(20px); }

/* Table */
.table-container {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.data-table th, .data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-muted);
  font-weight: 600;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.7);
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 1000;
}

.modal.active { display: flex; }

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  padding: 20px;
}

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

.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 2000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}