/* ============================================================
   BRINE CLOCK — 潮汐時計
   japanese-cyberpunk tide timer
   ============================================================ */

:root {
  --bg: #04060f;
  --bg2: #080d1f;
  --panel: rgba(10, 16, 34, 0.72);
  --panel-edge: rgba(0, 234, 255, 0.18);
  --cyan: #00eaff;
  --cyan-dim: rgba(0, 234, 255, 0.35);
  --pink: #ff2e88;
  --lime: #c6ff3e;
  --amber: #ffb000;
  --ink: #e8f6ff;
  --dim: #9db3d6;
  --line: rgba(0, 234, 255, 0.12);
  --mono: "Share Tech Mono", ui-monospace, monospace;
  --disp: "Zen Tokyo Zoo", "Noto Sans JP", system-ui, sans-serif;
  --jp: "Noto Sans JP", system-ui, sans-serif;
}

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

html { scrollbar-color: var(--cyan-dim) var(--bg); }

body {
  font-family: var(--mono);
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- background aura ---------- */
.bg-aura { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.bg-aura i {
  position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: 0.16;
  animation: drift 24s ease-in-out infinite alternate;
}
.bg-aura i:nth-child(1) { width: 46vmax; height: 46vmax; left: -12vmax; top: -14vmax;
  background: radial-gradient(circle, var(--cyan), transparent 62%); }
.bg-aura i:nth-child(2) { width: 40vmax; height: 40vmax; right: -14vmax; top: 8vmax;
  background: radial-gradient(circle, var(--pink), transparent 62%);
  animation-delay: -8s; animation-duration: 30s; }
.bg-aura i:nth-child(3) { width: 34vmax; height: 34vmax; left: 22vmax; bottom: -18vmax;
  background: radial-gradient(circle, var(--lime), transparent 60%);
  animation-delay: -16s; animation-duration: 20s; opacity: 0.08; }
@keyframes drift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(4vmax, -3vmax, 0) scale(1.12); }
  100% { transform: translate3d(-3vmax, 2vmax, 0) scale(0.94); }
}

/* ---------- CRT overlays ---------- */
.scanlines {
  position: fixed; inset: 0; z-index: 60; pointer-events: none;
  background: repeating-linear-gradient(0deg,
    rgba(255,255,255,0.025) 0 1px,
    transparent 1px 3px);
  mix-blend-mode: overlay;
}
.vignette {
  position: fixed; inset: 0; z-index: 61; pointer-events: none;
  background: radial-gradient(ellipse at 50% 42%, transparent 55%, rgba(0,0,0,0.55) 100%);
}

/* ---------- header ---------- */
.mast {
  position: relative; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  padding: 22px clamp(16px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(8,13,31,0.85), rgba(4,6,15,0.2));
}
.mast-left { display: flex; align-items: center; gap: 16px; }

.logo-kanji {
  font-family: var(--jp); font-weight: 900; font-size: 30px;
  color: var(--cyan);
  width: 58px; height: 58px; flex: 0 0 58px;
  border: 1px solid var(--cyan-dim);
  background: rgba(0,234,255,0.06);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  display: grid; place-items: center;
  cursor: pointer;
  text-shadow: 0 0 12px var(--cyan);
  box-shadow: 0 0 22px rgba(0,234,255,0.22);
  transition: all 0.25s;
}
.logo-kanji:hover { background: rgba(0,234,255,0.16); transform: translateY(-2px); }
.logo-kanji.egg-charge { color: var(--pink); border-color: var(--pink); text-shadow: 0 0 14px var(--pink); box-shadow: 0 0 24px rgba(255,46,136,0.4); animation: flick 0.35s infinite; }
@keyframes flick { 50% { opacity: 0.55; } }

.logo {
  font-family: var(--disp); font-weight: 400;
  font-size: clamp(26px, 4.6vw, 44px);
  letter-spacing: 0.06em;
  line-height: 1;
  background: linear-gradient(100deg, var(--cyan) 20%, #7df0ff 45%, var(--pink) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 14px rgba(0,234,255,0.35));
}
.logo-sub { font-family: var(--jp); font-size: 12px; color: var(--dim); letter-spacing: 0.28em; margin-top: 6px; }

.mast-right { display: flex; align-items: center; gap: 14px; }
.badge {
  font-size: 12px; letter-spacing: 0.2em; padding: 6px 12px;
  border: 1px solid; clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.badge-live { color: var(--lime); border-color: rgba(198,255,62,0.5); background: rgba(198,255,62,0.08); text-shadow: 0 0 10px rgba(198,255,62,0.6); }
.badge-warp { color: var(--pink); border-color: rgba(255,46,136,0.5); background: rgba(255,46,136,0.08); text-shadow: 0 0 10px rgba(255,46,136,0.6); }
.clock-read { font-size: clamp(20px, 3.4vw, 28px); color: var(--cyan); text-shadow: 0 0 12px rgba(0,234,255,0.55); letter-spacing: 0.05em; }

/* ---------- stage ---------- */
.stage {
  position: relative; z-index: 5;
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: clamp(20px, 3vw, 40px);
  max-width: 1180px; margin: 0 auto;
  padding: clamp(22px, 4vw, 44px) clamp(16px, 4vw, 44px) 28px;
  align-items: start;
}

/* ---------- dial ---------- */
.dial-wrap { display: grid; place-items: center; }
.dial-frame {
  position: relative; width: min(78vw, 600px);
  aspect-ratio: 1; margin: 0 auto;
}
#dial { width: 100%; height: 100%; display: block; }

.dial-center {
  position: absolute; left: 50%; top: 56%; transform: translate(-50%, -50%);
  text-align: center; pointer-events: none;
  z-index: 2;
}
.pct { font-size: clamp(30px, 5vw, 48px); color: var(--ink); letter-spacing: 0.02em; text-shadow: 0 0 18px rgba(0,234,255,0.5); }
.trend { display: block; font-family: var(--jp); font-size: 15px; margin-top: 4px; letter-spacing: 0.12em; }
.trend.rising { color: var(--lime); text-shadow: 0 0 10px rgba(198,255,62,0.5); }
.trend.falling { color: var(--amber); text-shadow: 0 0 10px rgba(255,176,0,0.5); }
.phase { display: block; font-size: 11px; color: var(--dim); letter-spacing: 0.3em; margin-top: 6px; }

.ring-tag {
  position: absolute; font-size: 11px; letter-spacing: 0.18em;
  color: var(--dim); opacity: 0.9; transition: color 0.4s;
  pointer-events: none;
}
.ring-tag-hi { top: 4%; left: 50%; transform: translateX(-50%); color: var(--amber); }
.ring-tag-lo { bottom: 4%; left: 50%; transform: translateX(-50%); color: var(--cyan); }

/* ---------- panel ---------- */
.panel { display: flex; flex-direction: column; gap: 16px; }

.card {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  padding: 18px 20px 20px;
  backdrop-filter: blur(6px);
  position: relative;
}
.card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(120deg, rgba(0,234,255,0.06), transparent 40%);
}
.card-title {
  font-family: var(--jp); font-size: 13px; font-weight: 700;
  color: var(--dim); letter-spacing: 0.22em; margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.card-title .jp { color: var(--cyan); }

.level-bar { height: 10px; background: rgba(255,255,255,0.05); border: 1px solid var(--line); margin-bottom: 18px; position: relative; overflow: hidden; }
.level-bar i {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--pink));
  box-shadow: 0 0 14px rgba(0,234,255,0.6);
  transition: width 0.35s ease-out;
}

.chiprow { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.chip {
  border: 1px solid var(--line); background: rgba(4,6,15,0.5);
  padding: 12px 12px 14px; text-align: center;
  position: relative;
}
.chip-label { display: block; font-size: 11px; color: var(--dim); letter-spacing: 0.2em; margin-bottom: 8px; }
.chip-time { display: block; font-size: clamp(24px, 5vw, 30px); color: var(--ink); letter-spacing: 0.04em; text-shadow: 0 0 12px rgba(0,234,255,0.4); }
.chip-in { display: block; font-size: 11px; color: var(--dim); margin-top: 6px; }

/* ---------- warp ---------- */
.warp-row { padding: 2px 0; }
input[type="range"] {
  width: 100%; appearance: none; -webkit-appearance: none;
  height: 6px; background: linear-gradient(90deg, var(--cyan), var(--pink), var(--lime));
  border-radius: 0; outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px;
  background: var(--ink); border: 2px solid var(--cyan);
  box-shadow: 0 0 12px var(--cyan); cursor: grab;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px; border: 2px solid var(--cyan); background: var(--ink);
  box-shadow: 0 0 12px var(--cyan); cursor: grab;
}

.warp-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.warp-value { font-size: 15px; color: var(--cyan); letter-spacing: 0.1em; text-shadow: 0 0 10px rgba(0,234,255,0.5); }
.warp-btns { display: flex; gap: 8px; }

.btn {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  padding: 10px 14px; cursor: pointer;
  color: var(--ink); background: rgba(0,234,255,0.06);
  border: 1px solid var(--cyan-dim);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: all 0.2s;
}
.btn:hover { background: rgba(0,234,255,0.16); box-shadow: 0 0 16px rgba(0,234,255,0.35); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-solid { color: var(--bg); background: var(--lime); border-color: var(--lime); font-weight: 700; }
.btn-solid:hover { background: #d8ff70; box-shadow: 0 0 18px rgba(198,255,62,0.5); }

.speedrow { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; gap: 10px; }
.speedlab { font-size: 11px; color: var(--dim); letter-spacing: 0.2em; }
.speed {
  font-family: var(--mono); font-size: 12px; color: var(--ink);
  background: rgba(4,6,15,0.7); border: 1px solid var(--cyan-dim);
  padding: 8px 10px; cursor: pointer;
}
.speed:focus { outline: 1px solid var(--cyan); }

/* ---------- actions ---------- */
.actionrow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.actionrow .btn { padding: 10px 8px; font-size: 11px; text-align: center; }

.panel-note { font-size: 11px; color: #b8c8e6; text-align: center; letter-spacing: 0.12em; }

/* ---------- footer ---------- */
.foot {
  position: relative; z-index: 5;
  display: flex; align-items: center; justify-content: center; gap: 18px;
  padding: 18px clamp(16px, 4vw, 44px) 30px;
  border-top: 1px solid var(--line);
  color: var(--dim); font-size: 12px; flex-wrap: wrap; text-align: center;
}
.foot-kanji { font-family: var(--jp); font-weight: 900; font-size: 20px; color: var(--pink); text-shadow: 0 0 12px rgba(255,46,136,0.5); }
.hint { color: rgba(198,255,62,0.5); }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 30px);
  z-index: 90; font-size: 13px; letter-spacing: 0.12em;
  color: var(--bg); background: var(--lime);
  padding: 12px 22px; opacity: 0; pointer-events: none;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  box-shadow: 0 0 24px rgba(198,255,62,0.5);
  transition: opacity 0.3s, transform 0.3s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.pink { background: var(--pink); box-shadow: 0 0 24px rgba(255,46,136,0.5); color: #fff; }

/* ---------- kraken mode ---------- */
body.kraken { animation: shiver 0.12s infinite; }
@keyframes shiver { 50% { transform: translateX(1px); } }
body.kraken .logo-kanji { color: var(--pink); border-color: var(--pink); animation: flick 0.4s infinite; }
body.kraken .bg-aura i:nth-child(2) { opacity: 0.4; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .stage { grid-template-columns: 1fr; }
  .dial-frame { width: min(86vw, 460px); }
  .mast { padding-top: 16px; }
}
@media (max-width: 420px) {
  .actionrow { grid-template-columns: 1fr 1fr; }
  .actionrow .btn:nth-child(3) { grid-column: 1 / -1; }
  .clock-read { font-size: 18px; }
}

/* sr-only helper for form labels */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  .bg-aura i { animation: none; }
  body.kraken { animation: none; }
  .logo-kanji.egg-charge { animation: none; }
}