/* ==========================================================================
   katproxy — Square & Polished Minimalist Theme (katdrop / just-download style)
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* Square everything out */
}

:root {
  --bg-primary: #0b0b0b;
  --bg-surface: #111111;
  --bg-surface-hover: #161616;
  --bg-card: #111111;
  --bg-card-hover: #151515;
  --bg-input: #0e0e0e;
  
  --border-subtle: #1c1c1c;
  --border-main: #222222;
  --border-hover: #333333;
  --border-focus: #444444;

  --text-main: #e5e5e5;
  --text-muted: #888888;
  --text-dim: #555555;
  --text-faint: #333333;

  --accent-emerald: #10b981;
  --accent-emerald-dim: rgba(16, 185, 129, 0.12);
  --accent-cyan: #38bdf8;
  --accent-cyan-dim: rgba(56, 189, 248, 0.12);
  --accent-amber: #f59e0b;
  --accent-amber-dim: rgba(245, 158, 11, 0.12);

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-mono);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

/* App Container */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 20px 60px;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
}

/* Static smooth glowing green dot */
.brand-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.55);
  display: inline-block;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #fff;
}

.brand-subtitle {
  font-size: 0.76rem;
  color: var(--text-dim);
  margin-top: 5px;
  letter-spacing: 0.02em;
}

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

/* Header Stats Group */
.stats-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-pill {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 6px 12px;
  display: flex;
  flex-direction: column;
  min-width: 78px;
}

.stat-label {
  font-size: 9px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.stat-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

.highlight-emerald {
  color: var(--accent-emerald) !important;
}

.highlight-cyan {
  color: var(--accent-cyan) !important;
}

/* Refresh Control & Countdown */
.refresh-control {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 5px 8px;
}

.timer-widget {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 4px 0 2px;
}

.progress-ring {
  display: block;
  flex-shrink: 0;
}

.progress-ring-circle {
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dashoffset 0.4s ease;
}

.timer-text {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0;
  min-width: 36px;
  font-variant-numeric: tabular-nums;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 7px 14px;
  border: 1px solid var(--border-main);
  background: #141414;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
  letter-spacing: 0.02em;
}

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

.btn:active:not(:disabled) {
  background: #fff;
  color: #000;
  border-color: #fff;
}

.btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.btn-icon {
  padding: 6px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
}

.btn-icon:hover {
  background: #181818;
  border-color: var(--border-subtle);
  color: #fff;
}

.btn-icon.spinning svg {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.btn-secondary {
  background: #141414;
  border-color: var(--border-main);
  color: var(--text-muted);
}

.btn-secondary:hover {
  background: #1c1c1c;
  color: #fff;
  border-color: var(--border-hover);
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.74rem;
}

/* Controls Bar */
.controls-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

/* Protocol Filter Pills */
.filter-pills {
  display: flex;
  background: #0e0e0e;
  border: 1px solid var(--border-subtle);
  padding: 2px;
}

.pill-btn {
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.12s ease;
  letter-spacing: 0.03em;
}

.pill-btn:hover {
  color: var(--text-muted);
}

.pill-btn.active {
  background: #1c1c1c;
  color: #fff;
  border-color: #2e2e2e;
}

/* Square Toggle Switch */
.toggle-control {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  padding: 0 4px;
}

.toggle-control input {
  display: none;
}

.toggle-slider {
  width: 28px;
  height: 16px;
  background: #181818;
  border: 1px solid var(--border-main);
  position: relative;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 10px;
  height: 10px;
  background: #555;
  transition: transform 0.15s ease, background 0.15s ease;
}

.toggle-control input:checked + .toggle-slider {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--accent-emerald);
}

.toggle-control input:checked + .toggle-slider::after {
  background: var(--accent-emerald);
  transform: translateX(12px);
}

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

/* Search Box */
.search-box {
  flex: 1;
  min-width: 200px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 10px;
  color: var(--text-dim);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  padding: 7px 28px 7px 32px;
  color: #fff;
  font-family: inherit;
  font-size: 11px;
  transition: border-color 0.15s ease;
}

.search-box input:focus {
  outline: none;
  border-color: var(--border-hover);
}

.search-box input::placeholder {
  color: var(--text-dim);
}

.search-clear {
  position: absolute;
  right: 8px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 4px;
}

.search-clear:hover {
  color: #fff;
}

/* Select Dropdown */
.select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.select-wrapper select {
  appearance: none;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  padding: 7px 26px 7px 10px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.select-wrapper select:focus {
  outline: none;
  border-color: var(--border-hover);
}

.select-arrow {
  position: absolute;
  right: 8px;
  color: var(--text-dim);
  pointer-events: none;
}

/* Action Buttons Group */
.action-buttons {
  display: flex;
  gap: 6px;
}

/* Main Content & Metadata */
.main-content {
  flex: 1;
  margin-top: 16px;
}

.list-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-dim);
  padding: 0 2px 10px;
}

.checking-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-cyan);
}

.spin-dot {
  width: 5px;
  height: 5px;
  background: var(--accent-cyan);
  display: inline-block;
}

/* Proxy Grid & Square Cards */
.proxy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 8px;
}

.proxy-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.12s ease, background 0.12s ease;
  position: relative;
  cursor: pointer;
}

.proxy-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.endpoint-group {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.ip-text {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}

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

.copy-hint-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 2px;
  opacity: 0.5;
  transition: opacity 0.12s, color 0.12s;
}

.proxy-card:hover .copy-hint-btn {
  opacity: 1;
  color: var(--text-muted);
}

.copy-hint-btn:hover {
  color: #fff;
}

.card-middle {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.badge-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.proto-tag {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 5px;
  background: #161616;
  color: var(--text-dim);
  border: 1px solid var(--border-subtle);
  letter-spacing: 0.03em;
}

.proto-tag.proto-http {
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.25);
  background: rgba(96, 165, 250, 0.06);
}

.proto-tag.proto-socks4 {
  color: #c084fc;
  border-color: rgba(192, 132, 252, 0.25);
  background: rgba(192, 132, 252, 0.06);
}

.proto-tag.proto-socks5 {
  color: #34d399;
  border-color: rgba(52, 211, 153, 0.25);
  background: rgba(52, 211, 153, 0.06);
}

/* Latency Badge */
.latency-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.latency-dot {
  width: 5px;
  height: 5px;
  display: inline-block;
}

.latency-fast {
  color: var(--accent-emerald);
}
.latency-fast .latency-dot {
  background: var(--accent-emerald);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
}

.latency-med {
  color: var(--accent-amber);
}
.latency-med .latency-dot {
  background: var(--accent-amber);
}

.latency-slow {
  color: var(--text-dim);
}
.latency-slow .latency-dot {
  background: var(--text-dim);
}

.card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 6px;
  border-top: 1px solid #181818;
  font-size: 10px;
  color: var(--text-dim);
}

.geo-info {
  display: flex;
  align-items: center;
  gap: 5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.country-flag {
  font-size: 11px;
}

.card-actions-quick {
  display: flex;
  gap: 3px;
}

.quick-action-link {
  background: #151515;
  border: 1px solid var(--border-subtle);
  font-family: inherit;
  font-size: 9px;
  color: var(--text-dim);
  cursor: pointer;
  padding: 2px 5px;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}

.quick-action-link:hover {
  color: #fff;
  border-color: var(--border-hover);
  background: #202020;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 50px 20px;
  background: var(--bg-surface);
  border: 1px dashed var(--border-hover);
  margin-top: 16px;
}

.empty-icon {
  font-size: 24px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.empty-state h3 {
  font-size: 14px;
  color: #fff;
  margin-bottom: 4px;
}

.empty-state p {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 14px;
}

/* Pagination */
.pagination-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
}

.page-indicator {
  font-size: 11px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* Footer */
.footer {
  margin-top: auto;
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-dim);
  border-top: 1px solid var(--border-subtle);
}

.footer-link {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.12s;
}

.footer-link:hover {
  color: #fff;
}

.separator {
  margin: 0 6px;
  color: #222222;
}

/* Toast System (Square & Polished) */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 200;
  pointer-events: none;
}

.toast {
  background: #111111;
  border: 1px solid var(--border-hover);
  color: #fff;
  padding: 9px 14px;
  font-size: 11px;
  font-family: inherit;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toast-in 0.15s ease-out;
  transition: opacity 0.15s, transform 0.15s;
  pointer-events: auto;
}

.toast.toast-exit {
  opacity: 0;
  transform: translateY(4px);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.toast-dot {
  width: 5px;
  height: 5px;
  background: var(--accent-emerald);
  display: inline-block;
  flex-shrink: 0;
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-right {
    width: 100%;
    justify-content: space-between;
  }
  .controls-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .action-buttons {
    justify-content: space-between;
  }
  .proxy-grid {
    grid-template-columns: 1fr;
  }
}