/* ============================================================
   Murabaha dApp — desert sand & cobalt "trade desk" (light)
   Layout v13: request · trade book (with lifecycle steppers) ·
   actions. Static background; element motion only.
   ============================================================ */

:root {
  --bg: #faf6ec;
  --bg-2: #f3ecd9;
  --card: rgba(255, 253, 247, 0.95);
  --card-border: rgba(46, 79, 145, 0.16);
  --text: #26221a;
  --muted: #93897a;
  --accent-1: #2e4f91;  /* cobalt */
  --accent-2: #d9a441;  /* desert gold */
  --accent-grad: linear-gradient(135deg, #2e4f91 0%, #d9a441 100%);
  --danger: #c04a3a;
  --success: #2c9d6b;
  --warning: #d99a2b;
  --radius: 14px;
  --font-ui: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", var(--font-ui);
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --shadow: 0 10px 30px rgba(46, 79, 145, 0.10);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-ui);
  background:
    radial-gradient(800px 420px at 8% -6%, rgba(46, 79, 145, 0.09), transparent 60%),
    radial-gradient(800px 420px at 94% 6%, rgba(217, 164, 65, 0.10), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); font-size: 12px; }
.center { text-align: center; }
.small { font-size: 12.5px; }

/* ===================== TOP BAR ===================== */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 26px;
  background: rgba(250, 246, 236, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 18px;
  background: var(--accent-grad);
  color: #fff;
  animation: sealIn 0.55s cubic-bezier(0.2, 0.9, 0.3, 1.3) both;
}
@keyframes sealIn {
  from { opacity: 0; transform: scale(0.5) rotate(-12deg); }
  to   { opacity: 1; transform: scale(1) rotate(0); }
}
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 17px; display: block; }
.brand-tag { font-size: 10px; color: #fff; background: var(--accent-1); padding: 2px 8px; border-radius: 999px; letter-spacing: 1px; }
.brand-sub { font-size: 10.5px; color: var(--muted); }

.topbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.chain-badge {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--muted);
}
.chain-badge.ok { color: var(--success); border-color: rgba(44, 157, 107, 0.4); }

/* ===================== LAYOUT ===================== */

.murabaha { max-width: 1140px; margin: 0 auto; padding: 26px 22px 0; }

.murabaha-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 18px;
  align-items: start;
}
@media (max-width: 980px) { .murabaha-grid { grid-template-columns: 1fr; } }

/* ===================== BUTTONS & FORMS ===================== */

.btn {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  padding: 11px 18px;
  cursor: pointer;
  color: #fff;
  transition: transform 0.15s ease, filter 0.15s ease, box-shadow 0.2s ease;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:not(:disabled):hover { transform: translateY(-1px); filter: brightness(1.06); }
.btn:not(:disabled):active { transform: translateY(0) scale(0.99); }

.btn-primary { background: var(--accent-grad); box-shadow: 0 6px 16px rgba(46, 79, 145, 0.25); }
.btn-accent { background: var(--accent-2); box-shadow: 0 6px 16px rgba(217, 164, 65, 0.25); }
.btn-ghost { background: rgba(46, 79, 145, 0.07); border: 1px solid var(--card-border); color: var(--text); }
.btn-ghost:hover { background: rgba(46, 79, 145, 0.13); }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 8px 14px; font-size: 13px; }

input, select, textarea {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--text);
  background: rgba(46, 79, 145, 0.05);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent-1); box-shadow: 0 0 0 3px rgba(46, 79, 145, 0.15); }

label { display: block; font-size: 12.5px; font-weight: 600; color: var(--muted); margin: 12px 0 6px; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row .btn { flex: 1; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }
.stack-form { display: flex; flex-direction: column; gap: 6px; }
.stack-form .btn { margin-top: 12px; }

/* ===================== BANNER / SETTINGS ===================== */

.banner {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-left: 3px solid var(--warning);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.banner-icon { font-size: 26px; }
.banner h3 { font-family: var(--font-display); margin-bottom: 4px; }
.banner p { font-size: 13.5px; color: var(--muted); margin-bottom: 12px; }
.banner code, .settings-panel code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: rgba(46, 79, 145, 0.1);
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--accent-1);
}

.settings-panel { margin-bottom: 20px; }
.settings-panel h3 { font-family: var(--font-display); margin-bottom: 14px; }
.settings-panel .row { margin-top: 16px; }

/* ===================== CARDS ===================== */

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  animation: cardIn 0.5s cubic-bezier(0.2, 0.9, 0.3, 1) both;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: rgba(217, 164, 65, 0.4); transform: translateY(-2px); }
@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.card-head h2 { font-family: var(--font-display); font-size: 18px; }
.card-ico {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(217, 164, 65, 0.16);
  font-size: 15px;
}

/* ===================== TRADE LIST ===================== */

.trade-list { display: flex; flex-direction: column; gap: 10px; }
.trade {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 12px 14px;
  animation: rowIn 0.4s ease both;
}
@keyframes rowIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.trade-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.trade-id { font-family: var(--font-display); font-weight: 700; font-size: 14.5px; }
.status-pill { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; padding: 3px 9px; border-radius: 999px; border: 1.5px solid currentColor; }
.st-0 { color: var(--muted); border-color: var(--muted); }
.st-1 { color: var(--accent-2); border-color: var(--accent-2); }
.st-2 { color: var(--accent-1); border-color: var(--accent-1); animation: sealPulse 1.8s ease-in-out infinite; }
.st-3 { color: var(--accent-1); border-color: var(--accent-1); }
.st-4 { color: var(--accent-2); border-color: var(--accent-2); }
.st-5 { color: var(--success); border-color: var(--success); }
.st-6 { color: var(--danger); border-color: var(--danger); }
.st-7 { color: var(--muted); border-color: var(--muted); text-decoration: line-through; }
@keyframes sealPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(46, 79, 145, 0.3); }
  50% { box-shadow: 0 0 10px 2px rgba(46, 79, 145, 0.18); }
}
.trade-asset { font-size: 13px; margin: 6px 0; }
.trade-meta { font-size: 11px; color: var(--muted); display: flex; gap: 12px; flex-wrap: wrap; }
.trade-bar { height: 8px; border-radius: 999px; background: rgba(46, 79, 145, 0.1); margin-top: 10px; overflow: hidden; }
.trade-bar span { display: block; height: 100%; border-radius: 999px; background: var(--accent-grad); transition: width 0.7s cubic-bezier(0.3, 0.8, 0.4, 1); }

.act-form { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--card-border); }
.act-form .row { margin-top: 8px; }

/* ===================== FOOTER ===================== */

.site-footer {
  margin-top: 40px;
  padding: 18px 0 24px;
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--muted);
}
.site-footer a { color: var(--accent-1); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
#footer-address { font-family: var(--font-mono); }

/* ===================== TOASTS ===================== */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 360px;
}
.toast {
  background: rgba(38, 34, 26, 0.97);
  color: #faf6ec;
  border-radius: 12px;
  border-bottom: 3px solid var(--accent-1);
  padding: 12px 16px;
  font-size: 13px;
  box-shadow: 0 12px 32px rgba(38, 34, 26, 0.4);
  animation: toastIn 0.32s cubic-bezier(0.2, 0.9, 0.3, 1.25);
  word-break: break-word;
}
.toast.success { border-bottom-color: var(--success); }
.toast.error { border-bottom-color: var(--danger); }
.toast.info { border-bottom-color: var(--accent-2); }
.toast a { color: #ffdda0; }
.toast.out { opacity: 0; transform: translateY(10px); transition: all 0.25s ease; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(24px) scale(0.94); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

[hidden] { display: none !important; }
.spin { display: inline-block; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
::selection { background: rgba(46, 79, 145, 0.25); }