/* ============================================================
   Tema: "ÇEVİRMELİ HAT" (Dial-Up) — WebRTC bağlantı kodlarını,
   eski modem/BBS "el sıkışma" ritüeline benzeten bir terminal
   estetiği. Palet, tipografi ve motifler bu fikre bağlı kalır.
   ============================================================ */

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

:root {
  --bg: #0a0e0a;
  --surface: #10160f;
  --surface-raised: #161d15;
  --line: #253625;
  --green: #3ef07a;
  --green-dim: #23a55a;
  --amber: #f0b93e;
  --text: #d8f5e0;
  --muted: #6b8a75;
  --danger: #ef5b5b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  min-height: 100%;
}

body {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
  background-attachment: fixed;
}

h1, h2, h3, .display {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

a { color: var(--green); }

.crt-scanline {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,0.06) 3px
  );
  z-index: 999;
  mix-blend-mode: multiply;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(10,14,10,0.9);
  backdrop-filter: blur(4px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar .logo {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 18px;
  color: var(--green);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar .logo::before {
  content: "●";
  color: var(--amber);
  animation: blink 1.4s step-start infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.topbar a.back {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 3px;
}
.topbar a.back:hover { color: var(--green); border-color: var(--green-dim); }

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.p2p-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px;
  margin: 24px 0;
}

.p2p-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.p2p-tab {
  flex: 1;
  background: var(--surface-raised);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 10px;
  border-radius: 4px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  cursor: pointer;
}
.p2p-tab.active { color: var(--green); border-color: var(--green-dim); }

.p2p-hint {
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 6px;
}

.p2p-code {
  width: 100%;
  min-height: 64px;
  background: #060906;
  color: var(--green);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  resize: vertical;
  margin-bottom: 10px;
}

.p2p-btn {
  background: var(--green-dim);
  color: #061006;
  border: none;
  padding: 10px 16px;
  border-radius: 4px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 12px;
}
.p2p-btn:hover { background: var(--green); }
.p2p-btn:disabled { opacity: 0.6; cursor: default; }

.p2p-status {
  font-size: 13px;
  color: var(--amber);
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  margin-top: 4px;
}

.p2p-connected .p2p-status { color: var(--green); }

.game-wrap { display: none; }
body.connected .game-wrap { display: block; }

.game-title {
  font-size: 28px;
  margin-bottom: 6px;
}

.game-sub {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px;
}

.btn {
  background: var(--green-dim);
  color: #061006;
  border: none;
  padding: 10px 18px;
  border-radius: 4px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: var(--green); }
.btn.secondary {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}
.btn.secondary:hover { color: var(--text); border-color: var(--green-dim); }

.turn-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 12px;
  border: 1px solid var(--line);
}
.turn-badge.me { color: var(--green); border-color: var(--green-dim); }
.turn-badge.them { color: var(--amber); border-color: var(--amber); }