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

:root {
  --bg:            #070a10;
  --bg-2:          #0c1018;
  --surface:       #111620;
  --surface-2:     #181f2e;
  --surface-hover: #1e2740;
  --border:        rgba(100, 160, 255, 0.1);
  --border-2:      rgba(100, 160, 255, 0.2);
  --border-focus:  rgba(100, 160, 255, 0.45);
  --text:          #eaf1fb;
  --text-2:        #8fa3bd;
  --text-3:        #4e6680;
  --accent:        #f8d34f;
  --accent-hover:  #f5c623;
  --green:         #2ee6a8;
  --green-bg:      rgba(46, 230, 168, 0.1);
  --green-border:  rgba(46, 230, 168, 0.3);
  --red:           #ff5c7c;
  --red-bg:        rgba(255, 92, 124, 0.1);
  --red-border:    rgba(255, 92, 124, 0.3);
  --font:          'Inter', system-ui, -apple-system, sans-serif;
  --mono:          'JetBrains Mono', ui-monospace, monospace;
  --pad:           clamp(1rem, 4vw, 2rem);
  --max:           820px;
  --r:             10px;
  --r-sm:          6px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── HEADER ─── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 10, 16, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.75rem var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand__logo {
  color: var(--accent);
  display: flex;
}

.brand__name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.brand__tag {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.header__count {
  font-size: 0.78rem;
  color: var(--text-3);
  font-family: var(--mono);
}
.header__count span { color: var(--accent); font-weight: 600; }

.header__right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__social-link {
  width: 1.9rem;
  height: 1.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  background: var(--surface);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.header__social-link:hover {
  color: var(--text);
  border-color: var(--border-2);
  background: var(--surface-hover);
}

/* ─── MAIN ─── */
.main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad) 5rem;
}

/* ─── HERO ─── */
.hero {
  text-align: center;
  padding: 3rem 1rem 2rem;
}

.hero__title {
  font-size: clamp(1.5rem, 4.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--text) 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-2);
  max-width: 500px;
  margin-inline: auto;
}

/* ─── SUBMIT ─── */
.submit-card {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r);
  padding: 1.25rem 1.25rem;
  margin-bottom: 2rem;
}

.submit-form__row {
  display: flex;
  gap: 0.5rem;
}

.submit-form__input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1.5px solid var(--border-2);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.7rem 0.85rem;
  outline: none;
  transition: border-color 0.2s;
}
.submit-form__input::placeholder { color: var(--text-3); }
.submit-form__input:focus { border-color: var(--accent); }

.submit-form__btn {
  background: var(--accent);
  color: #0d0d0d;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.1s;
}
.submit-form__btn:hover { background: var(--accent-hover); }
.submit-form__btn:active { transform: scale(0.97); }
.submit-form__btn:disabled { opacity: 0.4; cursor: not-allowed; }

.submit-form__msg {
  margin-top: 0.65rem;
  font-size: 0.8rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--r-sm);
}
.submit-form__msg--error { background: var(--red-bg); color: var(--red); border: 1px solid var(--red-border); }
.submit-form__msg--ok { background: var(--green-bg); color: var(--green); border: 1px solid var(--green-border); }

/* ─── BOARD ─── */
.board__header {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.board__title { font-size: 1rem; font-weight: 700; }
.board__hint { font-size: 0.75rem; color: var(--text-3); }

.coin-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-3);
}
.empty-state__icon { font-size: 2rem; margin-bottom: 0.5rem; }

/* ─── COIN CARD ─── */
.coin-card {
  display: grid;
  grid-template-columns: 2.2rem 2.8rem 1fr auto auto;
  align-items: center;
  gap: 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 0.75rem 0.9rem;
  transition: background 0.15s, border-color 0.15s;
}
.coin-card:hover {
  background: var(--surface-hover);
  border-color: var(--border-2);
}

/* rank */
.coin-rank {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-3);
  text-align: center;
}
.coin-rank--1 { color: #ffd54a; font-size: 1.15rem; }
.coin-rank--2 { color: #b8c6d4; font-size: 1rem; }
.coin-rank--3 { color: #d4944e; font-size: 0.95rem; }

/* avatar */
.coin-av {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  overflow: hidden;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-2);
  flex-shrink: 0;
  text-decoration: none;
  position: relative;
}
.coin-av--link { cursor: pointer; transition: transform 0.15s, box-shadow 0.15s; }
.coin-av--link:hover { transform: scale(1.1); box-shadow: 0 0 0 2px var(--accent); }
.coin-av img { width: 100%; height: 100%; object-fit: cover; display: block; }
.coin-av__fb { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }

/* info */
.coin-info { min-width: 0; }

.coin-name-row {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.coin-name {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
  text-decoration: none;
}
.coin-name--link { cursor: pointer; }
.coin-name--link:hover { color: var(--accent); text-decoration: underline; }

.coin-ticker {
  font-size: 0.72rem;
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 500;
  flex-shrink: 0;
}

.coin-stats {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.15rem;
  font-size: 0.68rem;
  color: var(--text-3);
  font-family: var(--mono);
  flex-wrap: wrap;
}

.coin-stat { white-space: nowrap; }
.coin-stat b { color: var(--text-2); font-weight: 500; }

.coin-links {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.3rem;
}

.coin-link {
  font-size: 0.65rem;
  color: var(--text-3);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1rem 0.4rem;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.coin-link:hover { color: var(--text); border-color: var(--border-2); }

/* score */
.coin-score {
  text-align: center;
  min-width: 2.8rem;
}

.score-num {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
}
.score-num--pos { color: var(--green); }
.score-num--neg { color: var(--red); }
.score-num--zero { color: var(--text-3); }

.score-label {
  font-size: 0.6rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.1rem;
}

/* vote buttons */
.coin-votes {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.vbtn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.28rem 0.55rem;
  cursor: pointer;
  transition: all 0.15s;
  min-width: 3.5rem;
  white-space: nowrap;
}
.vbtn:hover:not(:disabled) { background: var(--surface-hover); color: var(--text); }
.vbtn--up:hover:not(:disabled) { border-color: var(--green); color: var(--green); }
.vbtn--down:hover:not(:disabled) { border-color: var(--red); color: var(--red); }
.vbtn--up.voted { background: var(--green-bg); border-color: var(--green-border); color: var(--green); }
.vbtn--down.voted { background: var(--red-bg); border-color: var(--red-border); color: var(--red); }
.vbtn:disabled { cursor: default; opacity: 0.45; }
.vbtn:disabled.voted { opacity: 1; }

/* ─── FOOTER ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 1.2rem var(--pad);
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-3);
  max-width: var(--max);
  margin: 0 auto;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 560px) {
  .coin-card {
    grid-template-columns: 1.6rem 2.4rem 1fr;
    gap: 0.5rem 0.5rem;
  }
  .coin-score { grid-column: 1 / 3; grid-row: 2; text-align: left; padding-left: 0.2rem; }
  .coin-votes { grid-column: 3; grid-row: 2; flex-direction: row; justify-content: flex-end; }
  .hero { padding: 2rem 0.5rem 1.5rem; }
  .submit-form__row { flex-direction: column; }
  .submit-form__btn { width: 100%; }
}