/* ─────────────────────────────────────────────────────────────
   Wallie auth pages — shared visual system.
   Tokens mirror website-proxy/styles.css. Kept inline here so
   apps/consumer-web/public/*.html can load standalone without
   cross-domain font/CSS references (tight CSP).
   ───────────────────────────────────────────────────────────── */

:root {
  color-scheme: light;
  --bg:             #F7F4EE;
  --surface:        #FFFFFF;
  --surface-sunk:   #F0ECE3;
  --ink:            #0F1528;
  --ink-muted:      #5A6478;
  --ink-subtle:     #676F7F;
  --line:           #E6E0D4;
  --line-strong:    #D6CEBE;
  --sky:            #1566E6;
  --sky-strong:     #0F58C9;
  --coral:          #FF5A4E;
  --coral-strong:   #E04236;
  --mint:           #1F9D6C;
  --amber:          #B8761B;

  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui,
    sans-serif;

  --s-1:  4px; --s-2:  8px; --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;

  --r-xs:  6px;
  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-pill: 999px;

  --shadow-card:      0 1px 2px rgba(15, 21, 40, 0.04), 0 8px 24px -8px rgba(15, 21, 40, 0.08);
  --shadow-raised:    0 2px 4px rgba(15, 21, 40, 0.06), 0 24px 48px -16px rgba(15, 21, 40, 0.14);
  --shadow-focus:     0 0 0 3px rgba(21, 102, 230, 0.32);
  --shadow-focus-err: 0 0 0 3px rgba(224, 66, 54, 0.26);

  --ease-out:    cubic-bezier(0.2, 0, 0, 1);
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 120ms;
  --dur-base: 200ms;
  --dur-slow: 320ms;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg:             #0E1220;
    --surface:        #161B30;
    --surface-sunk:   #0B0F1C;
    --ink:            #F4F3EE;
    --ink-muted:      #A6ADBF;
    --ink-subtle:     #7D85A0;
    --line:           #242940;
    --line-strong:    #2A304A;
    --sky:            #59A6FF;
    --sky-strong:     #3F8CE8;
    --coral:          #FF7A70;
    --coral-strong:   #F25A4E;
    --mint:           #4BC38A;
    --amber:          #E0A347;
    --shadow-card:   0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 32px -12px rgba(0, 0, 0, 0.5);
    --shadow-raised: 0 2px 4px rgba(0, 0, 0, 0.5), 0 32px 64px -20px rgba(0, 0, 0, 0.6);
    --shadow-focus:  0 0 0 3px rgba(89, 166, 255, 0.36);
  }
}

@media (prefers-reduced-motion: reduce) {
  :root { --dur-fast: 0ms; --dur-base: 0ms; --dur-slow: 0ms; }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--sky);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--sky-strong); }
a:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--r-xs);
}

/* ── Page frame ──────────────────────────────────────────── */

.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--s-8) var(--s-4);
}
.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: var(--s-6);
  letter-spacing: -0.01em;
}
.auth-brand img { width: 28px; height: 28px; }

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-7);
  box-shadow: var(--shadow-card);
}
.auth-card h1 {
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 var(--s-2);
}
.auth-card .sub {
  font-size: 14px;
  color: var(--ink-muted);
  margin: 0 0 var(--s-6);
}

.auth-footer {
  margin-top: var(--s-6);
  font-size: 13px;
  color: var(--ink-subtle);
  text-align: center;
}
.auth-footer a { color: var(--ink-muted); }

/* ── Form fields ─────────────────────────────────────────── */

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
}
.field-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  transition:
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
}
.field-input::placeholder { color: var(--ink-subtle); }
.field-input:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: var(--shadow-focus);
}
.field[data-state="error"] .field-input {
  border-color: var(--coral-strong);
  box-shadow: var(--shadow-focus-err);
}
.field[data-state="error"] .field-hint {
  color: var(--coral-strong);
}
.field-hint {
  font-size: 13px;
  color: var(--ink-subtle);
}
.field-input[disabled],
.field-input[readonly] {
  background: var(--surface-sunk);
  color: var(--ink-subtle);
  cursor: not-allowed;
}

/* ── Buttons ─────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 14px 20px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition:
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
  text-decoration: none;
}
.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn-primary:hover:not([disabled]) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
  color: var(--bg);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover:not([disabled]) {
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

.btn-destructive {
  background: var(--coral-strong);
  color: #ffffff;
  border-color: var(--coral-strong);
}
.btn-destructive:hover:not([disabled]) {
  background: var(--coral);
}

.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Loading spinner swap on submit buttons */
.btn { position: relative; }
.btn[data-loading="true"] .btn-label { visibility: hidden; }
.btn[data-loading="true"]::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  border-right-color: transparent;
  animation: spin 800ms linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.auth-aside {
  margin-top: var(--s-2);
  font-size: 13px;
  color: var(--ink-subtle);
  text-align: center;
}
.auth-aside a { color: var(--ink-muted); text-decoration: underline; }

/* ── OTP input ───────────────────────────────────────────── */

.otp {
  display: flex;
  justify-content: center;
  gap: var(--s-2);
  margin: var(--s-4) 0;
}
.otp-cell {
  width: 48px;
  height: 56px;
  padding: 0;
  text-align: center;
  font: inherit;
  font-size: 22px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition:
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    transform 180ms var(--ease-spring);
}
.otp-cell:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: var(--shadow-focus);
}
.otp-cell[data-filled="true"] {
  background: var(--surface-sunk);
  animation: otpPop 180ms var(--ease-spring);
}
.otp[data-state="error"] .otp-cell {
  border-color: var(--coral-strong);
  box-shadow: var(--shadow-focus-err);
}
@keyframes otpPop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.04); }
  100% { transform: scale(1); }
}

/* ── Error toast ─────────────────────────────────────────── */

.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translate(-50%, -12px);
  opacity: 0;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-raised);
  pointer-events: none;
  transition:
    opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
  z-index: 100;
  max-width: calc(100vw - 32px);
}
.toast--visible {
  opacity: 1;
  transform: translate(-50%, 0);
}
.toast--err {
  background: var(--coral-strong);
  color: #ffffff;
}

/* ── Success screen ──────────────────────────────────────── */

.auth-success {
  text-align: center;
}
.success-check {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--s-4);
  display: block;
  color: var(--mint);
}
.success-check circle,
.success-check path {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.success-check circle {
  stroke-dasharray: 160;
  stroke-dashoffset: 160;
  animation: successCircle var(--dur-slow) var(--ease-spring) forwards;
}
.success-check path {
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: successTick var(--dur-slow) var(--ease-spring) var(--dur-base) forwards;
}
@keyframes successCircle { to { stroke-dashoffset: 0; } }
@keyframes successTick   { to { stroke-dashoffset: 0; } }

/* ── Account detail list ─────────────────────────────────── */

.detail-list {
  list-style: none;
  margin: 0 0 var(--s-5);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  border-top: 1px solid var(--line);
  padding-top: var(--s-5);
}
.detail-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: var(--s-3);
  font-size: 14px;
}
.detail-list dt,
.detail-list .label {
  color: var(--ink-muted);
  font-weight: 500;
}
.detail-list dd,
.detail-list .value {
  color: var(--ink);
  margin: 0;
  font-weight: 500;
  word-break: break-word;
}

.auth-actions {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  margin-top: var(--s-5);
}
.auth-actions .btn {
  width: 100%;
}

/* Hide elements (used by JS state transitions). */
[hidden] { display: none !important; }