/* ============================================================
   SafeVault Design System — safevault.css v1.0
   Based on SafeVault Brand & Design System v1.1
   ============================================================ */

/* ------------------------------------------------------------
   1. Design Tokens
   ------------------------------------------------------------ */
:root {
  color-scheme: dark;

  /* Brand */
  --sv-gold: #C8A050;
  --sv-gold-light: #E2B96A;
  --sv-gold-dim: rgba(200, 160, 80, .15);

  /* Backgrounds */
  --sv-bg: #000000;
  --sv-surface: #111111;
  --sv-surface-2: #181818;

  /* Text */
  --sv-text: rgba(255, 255, 255, .88);
  --sv-muted: rgba(255, 255, 255, .55);

  /* Borders */
  --sv-line: rgba(255, 255, 255, .10);

  /* Semantic */
  --sv-success: #27C16F;
  --sv-info: #4FA8E6;
  --sv-warning: #F59E0B;
  --sv-error: #D9534F;

  /* Typography */
  --sv-font: 'Montserrat', ui-sans-serif, system-ui, sans-serif;
  --sv-font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, monospace;

  /* Radius */
  --sv-radius-sm: 8px;
  --sv-radius: 10px;
  --sv-radius-lg: 16px;
  --sv-radius-xl: 18px;

  /* Transitions */
  --sv-transition: 150ms ease;
}

/* ------------------------------------------------------------
   2. Reset & Base
   ------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--sv-text);
  font: 15px/1.5 var(--sv-font);
  background:
    radial-gradient(52rem 32rem at 50% -12%, rgba(200, 160, 80, .11), transparent 62%),
    var(--sv-bg);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
}

p {
  color: var(--sv-muted);
  margin: 0;
}

/* ------------------------------------------------------------
   3. Layout
   ------------------------------------------------------------ */
.sv-header {
  max-width: 1080px;
  margin: auto;
  padding: 28px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sv-main {
  max-width: 1080px;
  margin: 34px auto;
  padding: 0 24px 60px;
}

.sv-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

/* ------------------------------------------------------------
   4. Brand
   ------------------------------------------------------------ */
.sv-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  letter-spacing: -.02em;
}

.sv-brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: var(--sv-radius);
  background: var(--sv-gold);
  color: #080705;
  font-weight: 800;
}

.sv-brand-sub {
  color: var(--sv-muted);
  font-weight: 500;
}

/* ------------------------------------------------------------
   5. Components — sv-card
   ------------------------------------------------------------ */
.sv-card {
  padding: 21px;
  border: 1px solid var(--sv-line);
  border-radius: var(--sv-radius-lg);
  background: linear-gradient(135deg, var(--sv-surface), #070707);
}

.sv-card--auth {
  width: min(100%, 440px);
  padding: 7px;
  background: rgba(17, 17, 17, .92);
  border: 1px solid var(--sv-line);
  border-radius: var(--sv-radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .6);
}

/* ------------------------------------------------------------
   6. Components — sv-button
   ------------------------------------------------------------ */
.sv-button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--sv-gold-light);
  border-radius: var(--sv-radius);
  background: var(--sv-gold);
  color: #080705;
  padding: 12px 15px;
  font: 700 15px var(--sv-font);
  cursor: pointer;
  transition: background var(--sv-transition), box-shadow var(--sv-transition);
}

.sv-button-primary:hover {
  background: var(--sv-gold-light);
  box-shadow: 0 0 16px rgba(200, 160, 80, .25);
}

.sv-button-primary:focus-visible {
  outline: 2px solid var(--sv-gold-light);
  outline-offset: 2px;
}

.sv-button-primary:disabled {
  opacity: .55;
  cursor: wait;
}

.sv-button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--sv-line);
  border-radius: var(--sv-radius-sm) + 1px;
  border-radius: 9px;
  color: var(--sv-text);
  background: transparent;
  padding: 9px 12px;
  font: inherit;
  cursor: pointer;
  transition: border-color var(--sv-transition), color var(--sv-transition);
}

.sv-button-secondary:hover {
  border-color: var(--sv-gold);
  color: var(--sv-gold-light);
}

.sv-button-secondary:focus-visible {
  outline: 2px solid var(--sv-gold-light);
  outline-offset: 2px;
}

/* ------------------------------------------------------------
   7. Components — sv-input
   ------------------------------------------------------------ */
.sv-input {
  width: 100%;
  border: 1px solid var(--sv-line);
  border-radius: var(--sv-radius);
  padding: 12px;
  background: #050505;
  color: var(--sv-text);
  font: inherit;
  outline: none;
  transition: border-color var(--sv-transition), box-shadow var(--sv-transition);
}

.sv-input:focus {
  border-color: var(--sv-gold);
  box-shadow: 0 0 0 3px var(--sv-gold-dim);
}

.sv-input::placeholder {
  color: var(--sv-muted);
}

/* ------------------------------------------------------------
   8. Components — sv-tabs
   ------------------------------------------------------------ */
.sv-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  margin-bottom: 17px;
}

.sv-tab {
  border: 0;
  padding: 10px;
  border-radius: 11px;
  color: var(--sv-muted);
  background: transparent;
  cursor: pointer;
  font: inherit;
  transition: color var(--sv-transition), background var(--sv-transition);
}

.sv-tab:hover {
  color: var(--sv-text);
}

.sv-tab.active {
  color: var(--sv-gold-light);
  background: var(--sv-gold-dim);
}

/* ------------------------------------------------------------
   9. Utilities
   ------------------------------------------------------------ */
.sv-eyebrow {
  color: var(--sv-gold);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .13em;
  font-weight: 750;
  margin-bottom: 14px;
}

.sv-label {
  color: var(--sv-muted);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.sv-value {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 4px 0 14px;
}

.sv-hint {
  font-size: .78rem;
  color: var(--sv-muted);
}

.sv-message {
  min-height: 22px;
  font-size: .88rem;
  color: var(--sv-error);
}

.sv-message--ok {
  color: var(--sv-gold-light);
}

.sv-empty {
  padding: 16px 0;
  color: var(--sv-muted);
}

/* ------------------------------------------------------------
   10. Forms
   ------------------------------------------------------------ */
.sv-form {
  display: grid;
  gap: 13px;
  padding: 0 10px 10px;
}

.sv-form label {
  display: grid;
  gap: 6px;
  color: var(--sv-muted);
  font-size: .85rem;
}

/* ------------------------------------------------------------
   11. Page-specific — Hero
   ------------------------------------------------------------ */
.sv-hero {
  max-width: 650px;
  margin: 75px 0 32px;
}

.sv-hero h1 {
  font-size: clamp(2.25rem, 5vw, 4.25rem);
  line-height: 1.04;
  letter-spacing: -.055em;
  margin: 0 0 18px;
}

/* ------------------------------------------------------------
   12. Page-specific — App (post-login)
   ------------------------------------------------------------ */
.sv-topline {
  display: flex;
  gap: 18px;
  justify-content: space-between;
  align-items: end;
  margin: 20px 0 26px;
}

.sv-topline h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.04;
  letter-spacing: -.055em;
}

.sv-col-4 { grid-column: span 4; }
.sv-col-8 { grid-column: span 8; }
.sv-col-12 { grid-column: span 12; }

/* ------------------------------------------------------------
   13. Page-specific — Wallets
   ------------------------------------------------------------ */
.sv-wallet-add {
  display: flex;
  gap: 9px;
  margin: 18px 0 12px;
}

.sv-wallet-add .sv-input {
  min-width: 0;
}

.sv-wallet-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.sv-wallet-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 11px;
  background: #050505;
  border: 1px solid var(--sv-line);
  border-radius: var(--sv-radius-sm);
  font-family: var(--sv-font-mono);
  font-size: .85rem;
  overflow-wrap: anywhere;
}

.sv-remove {
  margin-left: 10px;
  border: 0;
  color: var(--sv-error);
  background: transparent;
  font: inherit;
  cursor: pointer;
  transition: opacity var(--sv-transition);
}

.sv-remove:hover {
  opacity: .7;
}

/* ------------------------------------------------------------
   14. Responsive
   ------------------------------------------------------------ */
@media (max-width: 700px) {
  .sv-header,
  .sv-main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .sv-hero {
    margin-top: 42px;
  }

  .sv-col-4,
  .sv-col-8 {
    grid-column: span 12;
  }

  .sv-topline {
    align-items: start;
  }

  .sv-wallet-add {
    flex-direction: column;
  }
}