/* ── Self-hosted fonts ── */
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/space-mono-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/space-mono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('./fonts/space-mono-700-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('./fonts/space-mono-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Syne';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('./fonts/syne-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Syne';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('./fonts/syne-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ── Reset ── */
:root {
  --bg:       #0a0a0f;
  --surface:  #111118;
  --border:   #1e1e2e;
  --accent:   #00e5ff;
  --accent2:  #7b2fff;
  --text:     #c8c8d8;
  --dim:      #55556a;
  --danger:   #ff3b6b;
  --mono:     'Space Mono', monospace;
  --sans:     'Syne', sans-serif;
}

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

html, body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ── Blobs ── */
.blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.07;
  pointer-events: none;
  z-index: 0;
}
.blob-1 { width: 500px; height: 500px; background: var(--accent2); top: -150px; left: -100px; }
.blob-2 { width: 400px; height: 400px; background: var(--accent);  bottom: -100px; right: -80px; }

/* ── Layout ── */
#app {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center;
  padding: 2rem 1rem 4rem;
}

/* ── Header ── */
header {
  width: 100%; max-width: 680px;
  display: flex; align-items: center; gap: 1rem;
  padding: 2rem 0 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}
.logo-mark {
  width: 62px; height: 40px;
  border: 2px solid var(--accent);
  display: grid; place-items: center;
  font-family: var(--sans);
  font-weight: 800; font-size: 1rem;
  color: var(--accent);
  letter-spacing: -0.05em;
  flex-shrink: 0;
  position: relative;
}
.logo-mark::after {
  content: '';
  position: absolute; inset: 3px;
  background: var(--accent);
  opacity: 0.08;
}
.header-text h1 {
  font-family: var(--sans);
  font-weight: 800; font-size: 1.35rem;
  color: #fff; letter-spacing: -0.02em;
  line-height: 1;
}
.header-text p {
  font-size: 0.7rem; color: var(--dim);
  margin-top: 0.35rem; letter-spacing: 0.08em;
  text-transform: uppercase;
}
.status-dot {
  margin-left: auto;
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.65rem; color: var(--dim); letter-spacing: 0.06em;
  text-transform: uppercase;
}
.status-dot span {
  width: 7px; height: 7px; border-radius: 50%;
  background: #2bff8f;
  box-shadow: 0 0 8px #2bff8f;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

/* ── Auth wall ── */
#auth-wall {
  width: 100%; max-width: 360px;
  display: flex; flex-direction: column; gap: 1.5rem;
  animation: fadeUp 0.4s ease both;
}
.auth-label {
  font-size: 0.65rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--dim);
  margin-bottom: 0.5rem;
}
.auth-label span { color: var(--accent); }
.input-wrap { position: relative; }
.input-wrap input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: #fff;
  font-family: var(--mono); font-size: 0.9rem;
  padding: 0.85rem 3rem 0.85rem 1rem;
  outline: none;
  transition: border-color 0.2s;
  letter-spacing: 0.05em;
}
.input-wrap input:focus { border-color: var(--accent); }
.input-wrap input.error  { border-color: var(--danger); }
.input-wrap button {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 48px; background: none; border: none; cursor: pointer;
  color: var(--dim); font-size: 1.1rem;
  transition: color 0.2s;
}
.input-wrap button:hover { color: var(--accent); }
.err-msg {
  font-size: 0.7rem; color: var(--danger);
  margin-top: 0.5rem; display: none;
}
.err-msg.show { display: block; }
.btn-primary {
  width: 100%;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono); font-size: 0.8rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.9rem;
  cursor: pointer;
  position: relative; overflow: hidden;
  transition: color 0.2s;
}
.btn-primary:disabled { opacity: 0.5; cursor: default; }
.btn-primary::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--accent);
  transform: translateX(-100%);
  transition: transform 0.25s ease;
  z-index: -1;
}
.btn-primary:not(:disabled):hover { color: var(--bg); }
.btn-primary:not(:disabled):hover::before { transform: translateX(0); }

/* ── Proxy list ── */
#proxy-list {
  width: 100%; max-width: 680px;
  display: none;
  flex-direction: column; gap: 1rem;
  animation: fadeUp 0.4s ease both;
}
.section-title {
  font-size: 0.65rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--dim);
  margin-bottom: 0.25rem;
}
.section-title span { color: var(--accent); }

.proxy-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  position: relative;
  transition: border-color 0.2s;
  animation: fadeUp 0.4s ease both;
}
.proxy-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
}
.proxy-card:hover { border-color: #2a2a3e; }

.card-header {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.node-index {
  font-size: 0.6rem; color: var(--accent);
  letter-spacing: 0.1em;
  background: rgba(0,229,255,0.07);
  padding: 0.2rem 0.5rem;
  border: 1px solid rgba(0,229,255,0.15);
}
.node-name {
  font-family: var(--sans);
  font-weight: 700; font-size: 1rem;
  color: #fff; letter-spacing: -0.01em;
}
.node-flag { margin-left: auto; font-size: 1.2rem; }

.card-meta {
  display: grid; grid-template-columns: auto 1fr; gap: 0.3rem 1rem;
  font-size: 0.7rem; color: var(--dim); margin-bottom: 1rem;
}
.card-meta .key { color: var(--dim); }
.card-meta .val { color: var(--text); font-size: 0.68rem; word-break: break-all; }

.card-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.btn-tg {
  flex: 1;
  background: linear-gradient(90deg, var(--accent2), #4a1fff);
  border: none; color: #fff;
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.7rem 1rem;
  cursor: pointer; text-decoration: none;
  display: flex; align-items: center; justify-content: center; gap: 0.4rem;
  transition: opacity 0.2s;
  min-width: 160px;
}
.btn-tg:hover { opacity: 0.85; }
.btn-copy {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--dim);
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.7rem 1rem;
  cursor: pointer;
  display: flex; align-items: center; gap: 0.4rem;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn-copy:hover { color: var(--accent); border-color: var(--accent); }
.btn-copy.copied { color: #2bff8f; border-color: #2bff8f; }

/* ── Footer ── */
footer {
  width: 100%; max-width: 680px;
  margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.62rem; color: var(--dim);
  display: flex; justify-content: space-between; align-items: center;
  letter-spacing: 0.06em; text-transform: uppercase;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.proxy-card:nth-child(2) { animation-delay: 0.05s; }
.proxy-card:nth-child(3) { animation-delay: 0.10s; }
.proxy-card:nth-child(4) { animation-delay: 0.15s; }
.proxy-card:nth-child(5) { animation-delay: 0.20s; }