/* ══════════════════════════════════════════════════════════════════════
   GmailChecker Pro — Ultra Premium Interface Design
   Architecture: Plus Jakarta Sans + JetBrains Mono
   ══════════════════════════════════════════════════════════════════════ */

:root {
  --bg-core: #07090e;
  --bg-card: rgba(15, 22, 36, 0.65);
  --bg-card-elevated: rgba(22, 32, 54, 0.75);
  --bg-input: #0a0f1d;
  --bg-hover: rgba(255, 255, 255, 0.04);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(99, 102, 241, 0.45);
  --border-emerald: rgba(16, 185, 129, 0.35);
  --border-sky: rgba(56, 189, 248, 0.35);
  --border-amber: rgba(245, 158, 11, 0.35);
  --border-rose: rgba(244, 63, 94, 0.35);

  --text-pure: #ffffff;
  --text-main: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;

  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.25);

  --emerald-pure: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.2);
  --emerald-bg: rgba(16, 185, 129, 0.08);

  --sky-pure: #38bdf8;
  --sky-glow: rgba(56, 189, 248, 0.2);
  --sky-bg: rgba(56, 189, 248, 0.08);

  --amber-pure: #f59e0b;
  --amber-glow: rgba(245, 158, 11, 0.2);
  --amber-bg: rgba(245, 158, 11, 0.08);

  --rose-pure: #f43f5e;
  --rose-glow: rgba(244, 63, 94, 0.2);
  --rose-bg: rgba(244, 63, 94, 0.08);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.5);

  --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Theme: OLED Black ─────────────────────────────────────────────── */
[data-theme="oled"] {
  --bg-core: #000000;
  --bg-card: rgba(10, 10, 10, 0.85);
  --bg-card-elevated: rgba(18, 18, 18, 0.95);
  --bg-input: #040404;
  --bg-hover: rgba(255, 255, 255, 0.06);
  --border-subtle: rgba(255, 255, 255, 0.12);
  --shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.8);
}

/* ── Theme: Cyberpunk Neon ─────────────────────────────────────────── */
[data-theme="cyber"] {
  --bg-core: #090514;
  --bg-card: rgba(22, 14, 42, 0.7);
  --bg-card-elevated: rgba(32, 20, 60, 0.8);
  --bg-input: #100820;
  --accent-primary: #a855f7;
  --accent-primary-hover: #9333ea;
  --accent-glow: rgba(168, 85, 247, 0.35);
  --border-subtle: rgba(168, 85, 247, 0.2);
  --border-active: rgba(168, 85, 247, 0.6);
}

/* ── Theme: Modern Light ───────────────────────────────────────────── */
[data-theme="light"] {
  --bg-core: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-elevated: #ffffff;
  --bg-input: #ffffff;
  --bg-hover: rgba(0, 0, 0, 0.04);
  
  --border-subtle: rgba(0, 0, 0, 0.1);
  --border-active: rgba(99, 102, 241, 0.6);
  --border-emerald: rgba(16, 185, 129, 0.5);
  --border-amber: rgba(245, 158, 11, 0.5);
  --border-rose: rgba(244, 63, 94, 0.5);

  --text-pure: #0f172a;
  --text-main: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-dim: #94a3b8;

  --emerald-bg: rgba(16, 185, 129, 0.12);
  --amber-bg: rgba(245, 158, 11, 0.12);
  --rose-bg: rgba(244, 63, 94, 0.12);

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-elevated: 0 12px 30px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .app-header {
  background: rgba(255, 255, 255, 0.85);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .line-numbers {
  background: #f8fafc;
  color: #94a3b8;
  border-right-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .code-textarea {
  color: #0f172a;
}

[data-theme="light"] .line-counter {
  background: rgba(0, 0, 0, 0.05);
  color: #475569;
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .btn-copy-chip {
  background: rgba(0, 0, 0, 0.04);
  color: #334155;
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .btn-copy-chip:hover {
  background: rgba(0, 0, 0, 0.08);
  color: #0f172a;
}

[data-theme="light"] .app-footer {
  background: rgba(255, 255, 255, 0.9);
  border-top-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .results-table-header {
  background: rgba(0, 0, 0, 0.03);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .filter-segmented-control {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .segment-btn.active {
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .result-row {
  border-bottom-color: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .ambient-grid {
  background-image: 
    linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

[data-theme="light"] .ambient-orb {
  opacity: 0.08;
}

/* ── Theme Switcher Button ─────────────────────────────────────────── */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
  background: var(--bg-hover);
  color: var(--text-pure);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.theme-icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.theme-toggle-btn:active .theme-icon {
  transform: rotate(45deg);
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-core);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Ambient Background Lighting ─────────────────────────────────────── */
.ambient-background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  transition: opacity 0.5s ease;
}

.orb-primary {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #6366f1, #3b82f6);
  top: -200px;
  left: 10%;
}

.orb-accent {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #8b5cf6, #ec4899);
  bottom: -150px;
  right: 5%;
}

.orb-emerald {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #10b981, #06b6d4);
  top: 40%;
  right: 25%;
  opacity: 0.06;
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── Application Header ─────────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 9, 14, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 24px;
}

.header-container {
  max-width: 1140px;
  margin: 0 auto;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  box-shadow: 0 0 16px var(--accent-glow);
  flex-shrink: 0;
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-pure);
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-pro {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.8px;
  padding: 2px 6px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #ffffff;
  border-radius: 4px;
}

.brand-caption {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

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

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--border-emerald);
  border-radius: 20px;
  height: 32px;
}

.status-dot {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald-pure);
  box-shadow: 0 0 8px var(--emerald-pure);
  flex-shrink: 0;
  display: block;
}

.status-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald-pure);
  transform: translate(-50%, -50%);
  animation: pulse-ring 2s cubic-bezier(0.2, 0.8, 0.4, 1) infinite;
  pointer-events: none;
}

@keyframes pulse-ring {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.9;
  }
  60%, 100% {
    transform: translate(-50%, -50%) scale(3.5);
    opacity: 0;
  }
}

.status-text {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--emerald-pure);
  line-height: 1;
}

.developer-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ── Main Layout Shell ──────────────────────────────────────────────── */
.app-main {
  position: relative;
  z-index: 1;
  max-width: 1140px;
  margin: 0 auto;
  padding: 32px 24px 90px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── Metric Cards ───────────────────────────────────────────────────── */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.metric-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0.8;
}

.metric-card.card-total::before    { background: linear-gradient(90deg, #6366f1, #3b82f6); }
.metric-card.card-live::before     { background: linear-gradient(90deg, #10b981, #06b6d4); }
.metric-card.card-verify::before   { background: linear-gradient(90deg, #0284c7, #38bdf8); }
.metric-card.card-disabled::before { background: linear-gradient(90deg, #f59e0b, #d97706); }
.metric-card.card-dead::before     { background: linear-gradient(90deg, #f43f5e, #e11d48); }

.metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-elevated);
}

.metric-card.card-live:hover     { box-shadow: var(--shadow-elevated), 0 0 24px var(--emerald-glow); }
.metric-card.card-verify:hover   { box-shadow: var(--shadow-elevated), 0 0 24px var(--sky-glow); }
.metric-card.card-disabled:hover { box-shadow: var(--shadow-elevated), 0 0 24px var(--amber-glow); }
.metric-card.card-dead:hover     { box-shadow: var(--shadow-elevated), 0 0 24px var(--rose-glow); }

.metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.metric-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.card-live .metric-icon-wrap     { color: var(--emerald-pure); background: var(--emerald-bg); border-color: var(--border-emerald); }
.card-verify .metric-icon-wrap   { color: var(--sky-pure); background: var(--sky-bg); border-color: var(--border-sky); }
.card-disabled .metric-icon-wrap { color: var(--amber-pure); background: var(--amber-bg); border-color: var(--border-amber); }
.card-dead .metric-icon-wrap     { color: var(--rose-pure); background: var(--rose-bg); border-color: var(--border-rose); }

.metric-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1;
  color: var(--text-pure);
}

.text-emerald { color: var(--emerald-pure); }
.text-sky     { color: var(--sky-pure); }
.text-amber   { color: var(--amber-pure); }
.text-rose    { color: var(--rose-pure); }

.metric-sub {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Workdesk Panel (Input & Actions) ────────────────────────────────── */
.workdesk-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-subtle);
}

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

.panel-heading {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-pure);
}

.panel-desc {
  font-size: 13px;
  color: var(--text-muted);
}

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

.line-counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-secondary);
}

/* ── Buttons ────────────────────────────────────────────────────────── */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger-hover:hover {
  background: var(--rose-bg);
  border-color: var(--border-rose);
  color: var(--rose-pure);
}

/* ── Code Editor Textarea ───────────────────────────────────────────── */
.editor-container {
  display: flex;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.editor-container:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.line-numbers {
  padding: 16px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  text-align: right;
  user-select: none;
  background: rgba(0, 0, 0, 0.2);
  border-right: 1px solid var(--border-subtle);
  min-width: 42px;
}

.code-textarea {
  flex: 1;
  min-height: 200px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  padding: 16px;
  resize: vertical;
  outline: none;
}

.code-textarea::placeholder {
  color: var(--text-dim);
}

/* ── Command Action Bar ─────────────────────────────────────────────── */
.command-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 4px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.2px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
  transition: var(--transition-smooth);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(99, 102, 241, 0.5);
  background: linear-gradient(135deg, #4338ca, #4f46e5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-pure);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-copy-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-copy-chip:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-pure);
  border-color: rgba(255, 255, 255, 0.2);
}

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

.dot-emerald { background: var(--emerald-pure); box-shadow: 0 0 6px var(--emerald-pure); }
.dot-sky     { background: var(--sky-pure); box-shadow: 0 0 6px var(--sky-pure); }
.dot-amber   { background: var(--amber-pure); box-shadow: 0 0 6px var(--amber-pure); }
.dot-rose    { background: var(--rose-pure); box-shadow: 0 0 6px var(--rose-pure); }

/* ── Progress Section ───────────────────────────────────────────────── */
.progress-section {
  padding-top: 10px;
}

.progress-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.progress-status-label {
  font-size: 13px;
  font-weight: 600;
  color: #818cf8;
}

.progress-ratio {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.progress-bar-bg {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-glow {
  height: 100%;
  background: linear-gradient(90deg, #4f46e5, #6366f1, #06b6d4);
  border-radius: 3px;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

/* ── Results Feed Section ───────────────────────────────────────────── */
.results-section {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.results-topbar {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.results-header-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.results-heading {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-pure);
}

.results-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-secondary);
}

/* ── Segmented Control Filter ───────────────────────────────────────── */
.filter-segmented-control {
  display: flex;
  background: rgba(0, 0, 0, 0.4);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  gap: 4px;
}

.segment-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.segment-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.segment-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-pure);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.tab-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.tab-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
}

/* ── Results Table ──────────────────────────────────────────────────── */
.results-table-container {
  display: flex;
  flex-direction: column;
}

.results-table-header {
  display: grid;
  grid-template-columns: 140px 1.5fr 1.8fr 80px;
  padding: 12px 24px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.results-body-list {
  display: flex;
  flex-direction: column;
  max-height: 520px;
  overflow-y: auto;
}

.results-body-list::-webkit-scrollbar {
  width: 5px;
}
.results-body-list::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 3px;
}

.result-row {
  display: grid;
  grid-template-columns: 140px 1.5fr 1.8fr 80px;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  transition: var(--transition-smooth);
}

.result-row:hover {
  background: rgba(255, 255, 255, 0.025);
}

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

/* ── Status Pills ───────────────────────────────────────────────────── */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  width: fit-content;
}

.pill-live {
  background: var(--emerald-bg);
  border: 1px solid var(--border-emerald);
  color: var(--emerald-pure);
}

.pill-verify {
  background: var(--sky-bg);
  border: 1px solid var(--border-sky);
  color: var(--sky-pure);
}

.pill-disabled {
  background: var(--amber-bg);
  border: 1px solid var(--border-amber);
  color: var(--amber-pure);
}

.pill-dead {
  background: var(--rose-bg);
  border: 1px solid var(--border-rose);
  color: var(--rose-pure);
}

.pill-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.pill-live .pill-dot     { background: var(--emerald-pure); }
.pill-verify .pill-dot   { background: var(--sky-pure); }
.pill-disabled .pill-dot { background: var(--amber-pure); }
.pill-dead .pill-dot     { background: var(--rose-pure); }

.cell-email {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 12px;
}

.cell-details {
  font-size: 12px;
  color: var(--text-muted);
}

.cell-action {
  display: flex;
  justify-content: flex-end;
}

.btn-row-copy {
  padding: 4px 8px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-row-copy:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ── Empty State ────────────────────────────────────────────────────── */
.empty-placeholder {
  padding: 60px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
}

.empty-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
}

/* ── Toast Notifications ────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  animation: slideInUp 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* ── Footer ─────────────────────────────────────────────────────────── */
.app-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  background: rgba(7, 9, 14, 0.9);
  padding: 22px 24px;
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand {
  font-weight: 700;
  color: var(--text-secondary);
}

.footer-sep {
  color: var(--text-dim);
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-author {
  color: #818cf8;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-author:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* ── Enhanced Responsive Adaptations ─────────────────────────────────── */
@media (max-width: 1024px) {
  .app-main {
    padding: 24px 20px 80px;
    gap: 20px;
  }

  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

@media (max-width: 768px) {
  .app-header {
    padding: 0 16px;
  }

  .header-container {
    height: 60px;
  }

  .brand-title {
    font-size: 15px;
  }

  .developer-chip span {
    display: none;
  }

  .developer-chip {
    padding: 6px;
  }

  .app-main {
    padding: 16px 14px 80px;
    gap: 16px;
  }

  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .metric-card {
    padding: 14px 16px;
  }

  .metric-value {
    font-size: 24px;
  }

  .workdesk-panel {
    padding: 18px 16px;
    border-radius: var(--radius-lg);
  }

  .panel-heading {
    font-size: 15px;
  }

  .panel-desc {
    font-size: 12px;
  }

  .results-topbar {
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .filter-segmented-control {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    scrollbar-width: none;
  }

  .filter-segmented-control::-webkit-scrollbar {
    display: none;
  }

  .segment-btn {
    white-space: nowrap;
    padding: 6px 12px;
    flex-shrink: 0;
  }

  .results-table-header {
    display: none;
  }

  .result-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 16px;
    gap: 8px;
    position: relative;
  }

  .cell-status {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .cell-email {
    font-size: 13px;
    width: 100%;
    padding-right: 0;
  }

  .cell-details {
    font-size: 11px;
    width: 100%;
  }

  .cell-action {
    position: absolute;
    top: 12px;
    right: 14px;
  }

  .btn-row-copy {
    padding: 6px 10px;
  }
}

@media (max-width: 520px) {
  .header-actions .status-text {
    display: none;
  }

  .status-indicator {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .metric-card {
    padding: 12px 14px;
  }

  .metric-title {
    font-size: 9px;
    letter-spacing: 0.5px;
  }

  .metric-value {
    font-size: 20px;
  }

  .metric-sub {
    font-size: 10px;
  }

  .panel-topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .topbar-controls {
    justify-content: space-between;
    width: 100%;
  }

  .command-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .command-left {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  .command-left .btn-primary,
  .command-left .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .command-right {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
    gap: 8px;
  }

  .btn-copy-chip {
    padding: 8px 8px;
    justify-content: center;
    font-size: 11px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}