/* =============================================================================
   faucet.css — Grin Testnet Faucet base styles + CSS variable skeleton
   Theme files (matrix / warcraft / win98) override the :root variables.
   ============================================================================= */

/* ── Variables (dark defaults — overridden per theme) ─────────────────────── */
:root {
  --bg-body:       #0a0a0a;
  --bg-card:       #111;
  --bg-card2:      #161616;
  --text:          #e0e0e0;
  --text-dim:      #888;
  --accent:        #00ff41;
  --accent2:       #00cc33;
  --border:        #2a2a2a;
  --btn-bg:        #00ff41;
  --btn-text:      #000;
  --btn-hover:     #00cc33;
  --input-bg:      #1a1a1a;
  --input-border:  #333;
  --error-color:   #ff4444;
  --ok-color:      #00ff41;
  --warn-color:    #f2c94c;
  --grin-yellow:   #f2c94c;
  --font-mono:     'Courier New', Courier, monospace;
  --font-sans:     system-ui, -apple-system, sans-serif;
  --radius:        6px;
  --shadow:        0 2px 12px rgba(0,0,0,0.5);
}

/* ── Reset / base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg-body);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ───────────────────────────────────────────────────────────────── */
.container { max-width: 860px; margin: 0 auto; padding: 0 1rem; }

/* ── Header ───────────────────────────────────────────────────────────────── */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: .65rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}
body { padding-top: 3.6rem; }
/* offset anchor jumps so sections don't hide behind the fixed header */
section[id] { scroll-margin-top: 3.8rem; }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}
.header-left {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}
.site-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  letter-spacing: .02em;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.site-title span { color: var(--grin-yellow); }
.site-logo { width: 26px; height: 26px; flex-shrink: 0; }

/* Network badge — higher specificity beats inherited .site-title color */
.site-title .net-badge {
  margin-left: .5rem;
  font-size: .6rem;
  font-weight: 700;
  padding: .15rem .4rem;
  border-radius: var(--radius);
  vertical-align: middle;
  letter-spacing: .05em;
  background: var(--accent);
  color: #000;
}

/* ── Header nav pills ─────────────────────────────────────────────────────── */
.header-nav { display: flex; align-items: center; gap: .35rem; flex-wrap: wrap; }
.header-nav-pill {
  font-size: .75rem;
  padding: .22rem .6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background .15s, color .15s, border-color .15s;
  line-height: 1.5;
}
.header-nav-pill:hover {
  background: var(--accent);
  color: var(--btn-text);
  border-color: var(--accent);
}

/* ── Theme picker (paint icon + dropdown) ─────────────────────────────────── */
.theme-picker { position: relative; }
.theme-picker-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 2.1rem;
  height: 2.1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .15s, color .15s;
}
.theme-picker-btn:hover,
.theme-picker-btn.open {
  border-color: var(--accent);
  color: var(--accent);
}
.theme-dropdown {
  position: absolute;
  top: calc(100% + .35rem);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding: .35rem;
  min-width: 110px;
  z-index: 100;
}
.theme-dropdown[hidden] { display: none; }
.theme-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  padding: .35rem .7rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: .8rem;
  text-align: left;
  white-space: nowrap;
  transition: border-color .15s, color .15s;
}
.theme-btn:hover,
.theme-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Stats bar ────────────────────────────────────────────────────────────── */
.stats-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .6rem 1.1rem;
  min-width: 130px;
  flex: 1;
}
.stat-label { font-size: .72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font-size: 1.1rem; font-weight: 700; color: var(--accent); margin-top: .1rem; }
.stat-value--warn { color: var(--warn-color) !important; }

/* ── Section headings ─────────────────────────────────────────────────────── */
section { padding: 2rem 0 1rem; }
h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}
h2.section-hero {
  font-size: 1.5rem;
  letter-spacing: .03em;
  border-left: 3px solid var(--accent);
  padding-left: .65rem;
  text-shadow: 0 0 18px var(--accent);
}
h3 { font-size: 1rem; font-weight: 600; margin-bottom: .6rem; }

/* ── Node status list (How It Works) ─────────────────────────────────────── */
.node-status-list {
  margin: .55rem 0 .35rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.node-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .82rem;
}
.node-item code { font-size: .82rem; }
.node-ok  { color: var(--ok-color); }
.node-err { color: var(--error-color); }
.node-ms  { color: var(--text-dim); font-size: .75rem; }

/* ── Card ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

/* ── Form elements ────────────────────────────────────────────────────────── */
label { font-size: .85rem; color: var(--text-dim); display: block; margin-bottom: .35rem; }

input[type="text"], input[type="number"], textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  color: var(--text);
  padding: .6rem .8rem;
  font-family: var(--font-mono);
  font-size: .9rem;
  transition: border-color .15s;
}
input[type="text"]:focus, input[type="number"]:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
input[type="number"] { max-width: 200px; }
textarea { resize: vertical; min-height: 100px; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  background: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  border-radius: var(--radius);
  padding: .65rem 1.4rem;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  transition: background .15s, opacity .15s;
}
.btn:hover { background: var(--btn-hover); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: var(--btn-text); }

.btn-sm { padding: .35rem .8rem; font-size: .8rem; }
.btn-full { width: 100%; margin-top: .8rem; }

/* ── Error / success messages ─────────────────────────────────────────────── */
.error-msg {
  color: var(--error-color);
  font-size: .85rem;
  margin-top: .5rem;
  display: none;
}
.success-box {
  background: rgba(0,255,65,.08);
  border: 1px solid var(--ok-color);
  border-radius: var(--radius);
  padding: 1rem;
  margin-top: .8rem;
}

/* ── Claim steps ──────────────────────────────────────────────────────────── */
.step { display: none; margin-top: 1rem; }
.step-header {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: .8rem;
}
.step-num {
  background: var(--accent);
  color: var(--btn-text);
  width: 1.6rem; height: 1.6rem;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem; flex-shrink: 0;
}
.step-title { font-weight: 600; }

/* ── Slatepack display ────────────────────────────────────────────────────── */
.slatepack-box {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .8rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  word-break: break-all;
  max-height: 180px;
  overflow-y: auto;
  color: var(--accent);
  margin: .6rem 0;
}
.countdown {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--warn-color);
  font-weight: 700;
}
.countdown-row {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin: .6rem 0;
}
.countdown-label { font-size: .8rem; color: var(--text-dim); }

/* ── Donate section ───────────────────────────────────────────────────────── */

/* Underline-style tab bar (claim + donate sections) */
.donate-tabs,
.claim-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--border);
  flex-wrap: wrap;
}
.claim-tabs { margin-bottom: 4px; }

.donate-tab-btn,
.claim-tab-btn {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  padding: .6rem 1rem;
  font-size: .88rem;
  font-weight: 700;
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: color .15s, border-color .15s;
  white-space: nowrap;
}
.donate-tab-btn:hover,
.claim-tab-btn:hover  { color: var(--accent); }
.donate-tab-btn.active,
.claim-tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Donate + claim panes — CSS class toggled by JS */
.donate-pane,
.claim-pane { display: none; }
.donate-pane.active,
.claim-pane.active { display: block; }

/* cmd-box — address / command display */
.cmd-box {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .6rem 1rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  word-break: break-all;
  color: var(--accent);
}

/* Amount preset buttons */
.amount-grid { display: flex; flex-wrap: wrap; gap: .5rem; margin: .75rem 0; }
.amount-btn {
  padding: .45rem 1.1rem;
  border: 2px solid var(--border);
  border-radius: 50px;
  background: transparent;
  color: var(--text-dim);
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: border-color .15s, color .15s, background .15s;
}
.amount-btn:hover  { border-color: var(--accent); color: var(--accent); }
.amount-btn.active { border-color: var(--accent); color: var(--accent);
                     background: color-mix(in srgb, var(--accent) 8%, transparent); }

/* Step label inside donate cards */
.donate-step-label {
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-dim);
  margin-bottom: .35rem;
  margin-top: .6rem;
}

/* Wallet status badge */
#donate-wallet-status {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .78rem;
  font-weight: 700;
  padding: .25rem .75rem;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-dim);
  transition: color .2s, border-color .2s, background .2s;
}
#donate-wallet-status.ok    { border-color: var(--ok-color);    color: var(--ok-color);    background: rgba(0,255,65,.06); }
#donate-wallet-status.error { border-color: var(--error-color); color: var(--error-color); background: rgba(255,68,68,.06); }
.ws-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; flex-shrink: 0; }

/* ── How it works ─────────────────────────────────────────────────────────── */
.tabs { display: flex; gap: .4rem; margin-bottom: 1rem; flex-wrap: wrap; }
.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: .4rem .9rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: .85rem;
  font-family: var(--font-sans);
  transition: border-color .15s, color .15s;
}
.tab-btn.active, .tab-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.how-steps { list-style: none; padding: 0; }
.how-steps li {
  padding: .5rem 0 .5rem 1.8rem;
  position: relative;
  border-bottom: 1px solid var(--border);
  font-size: .9rem;
}
.how-steps li:last-child { border-bottom: none; }
.how-steps li::before {
  content: attr(data-n);
  position: absolute; left: 0;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  width: 1.4rem; text-align: center;
}
.how-steps code {
  background: var(--input-bg);
  padding: .1rem .4rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--accent);
}
.info-box {
  background: var(--bg-card2);
  border-left: 3px solid var(--accent);
  padding: .7rem 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .85rem;
  margin: .8rem 0;
  color: var(--text-dim);
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
footer {
  padding: 2rem 0 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: .8rem;
  color: var(--text-dim);
}
footer a { color: var(--text-dim); }
footer a:hover { color: var(--accent); }

/* ── Mobile ───────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .stats-bar { gap: .5rem; }
  .stat-item { min-width: 90px; padding: .35rem .7rem; }
  .stat-label { font-size: .72rem; }
  .stat-value { font-size: 1rem; }
}

/* ── Phone (≤480px) — single-row header, compact stats, scrollable tabs ──── */
@media (max-width: 480px) {
  /* Hide nav pills — page is short enough to scroll; title + theme-picker stay */
  .header-nav { display: none; }

  /* Header is now single-row → reduce padding-top */
  body { padding-top: 3rem; }
  section[id] { scroll-margin-top: 3.2rem; }

  /* Stats: 2-column flex grid */
  .stat-item { flex: 1 1 calc(50% - .5rem); min-width: 0; }

  /* Tabs: horizontal scroll instead of wrapping — preserves chrome in all themes */
  .donate-tabs,
  .claim-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .donate-tabs::-webkit-scrollbar,
  .claim-tabs::-webkit-scrollbar { display: none; }

  .donate-tab-btn,
  .claim-tab-btn { white-space: nowrap; flex-shrink: 0; font-size: .78rem; padding: .28rem .7rem; }

  /* Amount grid: 2 per row */
  .amount-grid { gap: .4rem; }
  .amount-btn { flex: 1 1 calc(50% - .4rem); text-align: center; }

  /* Slatepack + cmd boxes: prevent horizontal overflow */
  .slatepack-box,
  .cmd-box { font-size: .72rem; }

  /* How-steps code snippets: allow break */
  .how-steps code { word-break: break-all; }

  /* iOS: prevent auto-zoom on input focus (requires font-size ≥ 16px) */
  input[type="text"], input[type="number"], textarea { font-size: 1rem; }

  /* Touch target: theme-picker button must be ≥ 44×44px */
  .theme-picker-btn { width: 2.75rem; height: 2.75rem; }
}

/* ── Network banner (above action buttons + Tor address) ─────────────────── */
.net-banner {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .45rem .75rem;
  border-radius: var(--radius);
  font-size: .82rem;
  font-weight: 700;
  margin-bottom: .75rem;
  letter-spacing: .04em;
  border: 1.5px solid;
}
.net-banner.net-mainnet {
  background: rgba(245,158,11,.13);
  border-color: #f59e0b;
  color: #f59e0b;
}
.net-banner.net-testnet {
  background: rgba(56,189,248,.1);
  border-color: #38bdf8;
  color: #38bdf8;
}

/* Tor address box — border glow by network */
.donate-addr-mainnet {
  border-color: #f59e0b !important;
  box-shadow: 0 0 0 3px rgba(245,158,11,.18);
}
.donate-addr-testnet {
  border-color: #38bdf8 !important;
  box-shadow: 0 0 0 3px rgba(56,189,248,.13);
}