/* ==========================================================================
   ZHIN CIRCLE — shared stylesheet
   Matches the existing Zhin Beauty design system (void / noir / gold / cream)
   Used by: circle.html, circle-wallet.html, circle-admin.html
   ========================================================================== */

:root {
  --void: #1a1310;
  --noir: #221915;
  --espresso: #2b201a;
  --bark: #382820;
  --gold: #d4a861;
  --gold-bright: #f5d49a;
  --cream: #f7ecd6;
  --whisper: rgba(247, 236, 214, 0.72);
  --line: rgba(212, 168, 97, 0.22);
  --ok: #7fbf7f;
  --warn: #e0b458;
  --bad: #cf7f6f;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--void);
  color: var(--cream);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-bright); }

.c-container { width: 100%; max-width: 980px; margin: 0 auto; padding: 0 24px; }
.c-narrow { max-width: 640px; }

/* ---------- Header ---------- */
.c-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(26, 19, 16, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.c-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.c-logo {
  font-family: 'Italiana', serif;
  font-size: 19px; letter-spacing: 0.26em;
  color: var(--cream); text-transform: uppercase;
}
.c-header-link {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold);
}

/* ---------- Hero ---------- */
.c-hero { padding: 84px 0 60px; text-align: center; }
.c-eyebrow {
  font-size: 10px; letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 22px;
}
.c-title {
  font-family: 'Italiana', serif;
  font-size: clamp(34px, 7vw, 58px);
  line-height: 1.12; letter-spacing: 0.02em;
  color: var(--cream); margin-bottom: 18px;
}
.c-offer {
  font-family: 'Italiana', serif;
  font-size: clamp(28px, 6vw, 44px);
  color: var(--gold-bright);
  margin-bottom: 14px;
}
.c-sub {
  color: var(--whisper);
  font-size: clamp(14px, 2.6vw, 16px);
  max-width: 560px; margin: 0 auto 12px;
}
.c-rule {
  width: 64px; height: 1px; background: var(--gold);
  margin: 30px auto; opacity: 0.6;
}

/* ---------- Buttons ---------- */
.c-btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.c-btn {
  display: inline-block; cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  padding: 15px 30px; border: 1px solid var(--gold);
  background: transparent; color: var(--gold);
  transition: all .3s ease;
}
.c-btn:hover { background: var(--gold); color: var(--void); }
.c-btn-solid { background: var(--gold); color: var(--void); }
.c-btn-solid:hover { background: var(--gold-bright); color: var(--void); }
.c-btn-ghost { border-color: var(--line); color: var(--whisper); }
.c-btn-ghost:hover { border-color: var(--gold); background: transparent; color: var(--gold); }
.c-btn:disabled { opacity: .45; cursor: not-allowed; }
.c-btn-sm { padding: 9px 16px; font-size: 10px; letter-spacing: 0.14em; }

/* ---------- Sections & cards ---------- */
.c-section { padding: 56px 0; }
.c-section-title {
  font-family: 'Italiana', serif;
  font-size: clamp(24px, 4.6vw, 34px);
  color: var(--cream); margin-bottom: 26px; text-align: center;
}
.c-card {
  background: var(--noir);
  border: 1px solid var(--line);
  padding: 34px 28px;
}
.c-card + .c-card { margin-top: 20px; }

/* ---------- Steps ---------- */
.c-steps { display: grid; gap: 18px; }
.c-step { display: flex; gap: 16px; align-items: flex-start; }
.c-step-num {
  flex: 0 0 34px; height: 34px; border: 1px solid var(--gold);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: 'Italiana', serif; font-size: 15px; color: var(--gold);
}
.c-step p { color: var(--whisper); font-size: 14px; padding-top: 4px; }

/* ---------- Fine print ---------- */
.c-fine { list-style: none; }
.c-fine li {
  color: var(--whisper); font-size: 13px;
  padding: 9px 0 9px 18px; position: relative;
  border-bottom: 1px solid rgba(212,168,97,0.10);
}
.c-fine li:last-child { border-bottom: 0; }
.c-fine li::before {
  content: '·'; position: absolute; left: 2px; color: var(--gold);
}

/* ---------- Forms ---------- */
.c-form { display: grid; gap: 14px; }
.c-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.c-field label {
  display: block; font-size: 10px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 7px;
}
.c-field input, .c-field select, .c-field textarea {
  width: 100%; background: var(--void);
  border: 1px solid var(--line); color: var(--cream);
  font-family: 'Inter', sans-serif; font-size: 15px; /* 16px-safe: prevents iOS zoom */
  padding: 13px 14px; border-radius: 0; outline: none;
  transition: border-color .25s ease;
}
.c-field input:focus, .c-field select:focus, .c-field textarea:focus { border-color: var(--gold); }
.c-field select { appearance: none; cursor: pointer; }
@media (max-width: 560px) {
  .c-field input, .c-field select, .c-field textarea { font-size: 16px; }
  .c-row2 { grid-template-columns: 1fr; }
}

/* ---------- Code display ---------- */
.c-codebox {
  border: 1px solid var(--gold);
  background: linear-gradient(180deg, rgba(212,168,97,0.07), transparent);
  padding: 26px 20px; text-align: center; margin-bottom: 18px;
}
.c-codebox .lbl {
  font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--whisper); margin-bottom: 10px;
}
.c-code {
  font-family: 'Italiana', serif;
  font-size: clamp(22px, 5.4vw, 32px);
  letter-spacing: 0.08em; color: var(--gold-bright);
  word-break: break-all;
}
.c-linkbox {
  font-size: 12px; color: var(--whisper);
  word-break: break-all; margin-top: 12px;
  border-top: 1px solid var(--line); padding-top: 12px;
}

/* ---------- Wallet stats ---------- */
.c-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 620px) { .c-stats { grid-template-columns: 1fr; } }
.c-stat {
  border: 1px solid var(--line); background: var(--noir);
  padding: 22px 18px; text-align: center;
}
.c-stat .v {
  font-family: 'Italiana', serif; font-size: 32px; color: var(--gold-bright);
}
.c-stat .k {
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--whisper); margin-top: 6px;
}

/* ---------- Tables ---------- */
.c-tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.c-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 560px; }
.c-table th {
  text-align: left; font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--gold);
  padding: 12px 10px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.c-table td {
  padding: 13px 10px; border-bottom: 1px solid rgba(212,168,97,0.10);
  color: var(--cream); vertical-align: middle;
}
.c-table tr:last-child td { border-bottom: 0; }

/* ---------- Status pills ---------- */
.c-pill {
  display: inline-block; font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; padding: 5px 10px;
  border: 1px solid var(--line); color: var(--whisper); white-space: nowrap;
}
.c-pill.is-sent { color: var(--whisper); }
.c-pill.is-registered { color: var(--gold); border-color: rgba(212,168,97,.4); }
.c-pill.is-booked { color: var(--warn); border-color: rgba(224,180,88,.45); }
.c-pill.is-earned { color: var(--ok); border-color: rgba(127,191,127,.45); }
.c-pill.is-redeemed { color: var(--gold-bright); border-color: rgba(245,212,154,.45); }
.c-pill.is-dead { color: var(--bad); border-color: rgba(207,127,111,.45); }

/* ---------- Messages ---------- */
.c-msg {
  padding: 13px 16px; font-size: 13px; margin-top: 14px;
  border: 1px solid var(--line); display: none;
}
.c-msg.show { display: block; }
.c-msg.err { border-color: rgba(207,127,111,.5); color: var(--bad); }
.c-msg.ok { border-color: rgba(127,191,127,.5); color: var(--ok); }

.c-hidden { display: none !important; }

/* ---------- Modal ---------- */
.c-modal {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(12, 8, 6, .88);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.c-modal.show { display: flex; }
.c-modal-inner {
  background: var(--noir); border: 1px solid var(--gold);
  max-width: 420px; width: 100%; padding: 34px 26px; text-align: center;
}

/* ---------- Toast ---------- */
.c-toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--gold); color: var(--void);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 12px 22px; opacity: 0; pointer-events: none;
  transition: all .3s ease; z-index: 300;
}
.c-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Footer ---------- */
.c-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0; text-align: center;
  color: var(--whisper); font-size: 12px;
}
.c-footer a { margin: 0 10px; }

/* ---------- Admin extras ---------- */
.c-admin-bar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-bottom: 22px;
}
.c-admin-bar input { flex: 1 1 200px; }
.c-note { font-size: 12px; color: var(--whisper); margin-top: 8px; }
.c-warn-banner {
  border: 1px solid rgba(224,180,88,.5); color: var(--warn);
  font-size: 12px; padding: 12px 16px; margin: 18px 0;
}