@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --navy-950: #060B16;
  --navy-900: #0A1628;
  --navy-850: #0D1E36;
  --navy-800: #112544;
  --navy-700: #17335C;
  --border: #1D3358;
  --border-light: #2A4670;

  --text: #EAF2FC;
  --text-dim: #8FA3C4;
  --text-faint: #566E93;

  --sky: #4FB6FF;
  --sky-bright: #7CD0FF;
  --sky-deep: #1B7FD9;
  --green: #37D999;
  --gold: #E3B54F;
  --red: #FF6B6B;

  --font-display: 'Vazirmatn', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 18px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--navy-950);
  color: var(--text);
  font-family: var(--font-display);
  position: relative;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- background: aurora + grid signature ---------- */
.bg-aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(720px 480px at 18% -8%, rgba(79,182,255,0.20), transparent 60%),
    radial-gradient(680px 460px at 88% 8%, rgba(27,127,217,0.16), transparent 60%),
    radial-gradient(900px 600px at 50% 105%, rgba(23,51,92,0.35), transparent 65%),
    linear-gradient(180deg, var(--navy-950) 0%, #081020 45%, var(--navy-950) 100%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(79,182,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,182,255,0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 75% 55% at 50% 0%, black 15%, transparent 70%);
}

/* ---------- header ---------- */
.site-header {
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--border);
  background: rgba(10,22,40,0.55);
  backdrop-filter: blur(10px);
}

.header-inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 26px 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 1 1 auto;
}

.brand-text {
  min-width: 0;
}

.brand-text h1,
.brand-sub {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-mark {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 13px;
  background: linear-gradient(145deg, var(--sky-bright), var(--sky-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 1px rgba(124,208,255,0.3), 0 10px 28px -10px rgba(79,182,255,0.65);
}

.brand-mark svg { width: 24px; height: 24px; }

.brand-text h1 {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.brand-accent {
  background: linear-gradient(90deg, var(--sky-bright), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-sub {
  margin: 3px 0 0;
  font-size: 12.5px;
  color: var(--text-dim);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.live-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  background: rgba(17,37,68,0.6);
  font-size: 12.5px;
  color: var(--text-dim);
  white-space: nowrap;
  flex-shrink: 0;
}

.live-status .dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(55,217,153,0.14);
  color: var(--green);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.live-status .dot::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid var(--green);
  opacity: 0.5;
  animation: pulse-ring 2.4s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.85); opacity: 0.6; }
  100% { transform: scale(1.5); opacity: 0; }
}

.btn-profile {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: rgba(17,37,68,0.6);
  color: var(--text-dim);
  cursor: pointer;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.btn-profile:hover {
  color: var(--sky-bright);
  border-color: var(--sky);
}

.btn-logout {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: rgba(17,37,68,0.6);
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.btn-logout:hover {
  color: var(--red);
  border-color: var(--red);
}

/* ---------- container ---------- */
.container {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

/* ---------- add panel ---------- */
.add-panel {
  position: relative;
  background: linear-gradient(180deg, rgba(17,37,68,0.75), rgba(13,30,54,0.55));
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 36px;
  overflow: hidden;
  backdrop-filter: blur(14px);
}

.add-panel-glow {
  position: absolute;
  top: -60%;
  right: -10%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(79,182,255,0.22), transparent 70%);
  pointer-events: none;
}

.add-panel h2 {
  position: relative;
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 700;
}

.add-desc {
  position: relative;
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

.add-form {
  position: relative;
  display: flex;
  gap: 10px;
}

.input-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(6,11,22,0.55);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input-wrap:focus-within {
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(79,182,255,0.16);
}

.input-icon {
  color: var(--text-faint);
  flex-shrink: 0;
}

#proxyLink {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 13px 0;
  direction: ltr;
  text-align: left;
}

#proxyLink::placeholder {
  color: var(--text-faint);
}

.btn-add {
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--sky-bright), var(--sky-deep));
  color: #06172B;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0 24px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 8px 20px -8px rgba(79,182,255,0.7);
  transition: filter 0.15s ease, transform 0.1s ease;
}

.btn-add:hover { filter: brightness(1.08); }
.btn-add:active { transform: scale(0.97); }

.form-msg {
  position: relative;
  min-height: 18px;
  margin: 12px 0 0;
  font-size: 12.5px;
}

.form-msg.success { color: var(--green); }
.form-msg.error { color: var(--red); }

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

.list-header h2 {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
}

.btn-refresh {
  display: flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 8px 15px;
  font-family: var(--font-display);
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.btn-refresh:hover {
  border-color: var(--sky);
  color: var(--sky-bright);
}

.refresh-icon {
  display: inline-block;
  transition: transform 0.4s ease;
}

.btn-refresh.spinning .refresh-icon {
  animation: spin 0.6s linear;
}

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

/* ---------- proxy list ---------- */
.proxy-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.proxy-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(180deg, rgba(17,37,68,0.7), rgba(13,30,54,0.5));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 17px 18px;
  cursor: pointer;
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.12s ease, box-shadow 0.18s ease;
}

.proxy-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(124,208,255,0.35), transparent 40%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.18s ease;
  pointer-events: none;
}

.proxy-card:hover {
  border-color: var(--sky-deep);
  background: linear-gradient(180deg, rgba(23,51,92,0.8), rgba(17,37,68,0.6));
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -14px rgba(79,182,255,0.4);
}

.proxy-card:hover::before {
  opacity: 1;
}

.proxy-card:active {
  transform: translateY(0) scale(0.995);
}

.node-dot {
  flex-shrink: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--green);
  position: relative;
}

.node-dot::before {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid var(--green);
  opacity: 0.45;
  animation: pulse-ring 2.2s ease-out infinite;
}

.node-info {
  flex: 1;
  min-width: 0;
}

.node-server {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  direction: ltr;
  text-align: left;
}

.node-meta {
  margin-top: 5px;
  display: flex;
  gap: 10px;
  font-size: 11.5px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  direction: ltr;
}

.node-port {
  color: var(--gold);
}

.node-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-connect {
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--sky-bright), var(--sky-deep));
  color: #06172B;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 16px -8px rgba(79,182,255,0.75);
  transition: filter 0.15s ease, transform 0.1s ease;
}

.btn-connect:hover {
  filter: brightness(1.08);
}

.btn-connect:active {
  transform: scale(0.96);
}

.btn-connect svg {
  flex-shrink: 0;
}

.btn-delete {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-faint);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.btn-delete:hover {
  color: var(--red);
  border-color: var(--red);
}

/* signal pulse on click */
.signal-pulse {
  position: absolute;
  border-radius: 50%;
  background: rgba(79,182,255,0.35);
  transform: translate(-50%, -50%) scale(0);
  pointer-events: none;
  animation: signal-expand 0.6s ease-out forwards;
}

@keyframes signal-expand {
  to {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0;
  }
}

/* ---------- empty state ---------- */
.empty-state {
  text-align: center;
  padding: 54px 20px;
  border: 1px dashed var(--border-light);
  border-radius: var(--radius);
  color: var(--text-faint);
  background: rgba(13,30,54,0.35);
}

.empty-icon {
  color: var(--text-faint);
  margin-bottom: 12px;
  display: flex;
  justify-content: center;
}

.empty-state p {
  margin: 0 0 4px;
  color: var(--text-dim);
  font-weight: 600;
  font-size: 14px;
}

.empty-state span {
  font-size: 12.5px;
}

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 24px 20px 40px;
  font-size: 12px;
  color: var(--text-faint);
}

.site-footer a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--border-light);
}

.site-footer a:hover { color: var(--sky-bright); }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--navy-800);
  border: 1px solid var(--border-light);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.6);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- responsive ---------- */
@media (max-width: 520px) {
  .header-inner { padding: 20px 16px 16px; flex-wrap: wrap; }
  .brand-text h1 { font-size: 18px; }
  .add-form { flex-direction: column; }
  .btn-add { padding: 13px; }
  .node-server { font-size: 12.5px; }
  .btn-connect { padding: 9px 14px; font-size: 11.5px; }
}

/* ---------- focus visibility ---------- */
button:focus-visible,
input:focus-visible,
.proxy-card:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 2px;
}