/* Melode Design System v2 — authentication (13-login + 61/62/63 pub) */
/* Fonts: Instrument Sans / Geist Mono via next/font on auth layouts */

.melode-auth,
.melode-auth-pub {
  font-family: var(--font-instrument-sans), "Instrument Sans", ui-sans-serif, system-ui,
    sans-serif;
  color: var(--ink-900, #13102f);
  -webkit-font-smoothing: antialiased;
}

/* ══ Split login (13) ═══════════════════════════════════════ */

.melode-auth {
  display: grid;
  grid-template-columns: minmax(0, 44%) minmax(0, 56%);
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--m-canvas, #fff);
}

.melode-auth-side {
  background: var(--nav-bg, #13102f);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 40px 48px;
  position: relative;
  overflow: hidden;
}

.melode-auth-side-photo,
.melode-auth-side-veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.melode-auth-side-photo {
  background-size: cover;
  background-position: center;
  filter: saturate(0.38) brightness(0.72) contrast(0.9);
}

.melode-auth-side-veil {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--login-panel, #13102f) 48%, transparent) 0%,
    color-mix(in srgb, var(--login-panel, #13102f) 22%, transparent) 38%,
    color-mix(in srgb, var(--login-panel, #13102f) 22%, transparent) 58%,
    color-mix(in srgb, var(--login-panel, #13102f) 58%, transparent) 100%
  );
}

.melode-auth-side-top,
.melode-auth-side-mid,
.melode-auth-side-foot {
  position: relative;
  z-index: 1;
}

.melode-auth-side.has-photo .melode-auth-side-mid h2,
.melode-auth-side.has-photo .melode-auth-side-mid p {
  text-shadow: 0 1px 16px color-mix(in srgb, var(--login-panel, #13102f) 75%, #000);
}

.melode-auth-side-logo-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 10px 12px;
  border-radius: 10px;
}

.melode-auth-side.is-light {
  color: var(--ink-900, #13102f);
}

.melode-auth-side.is-light .melode-auth-side-orgmark {
  color: inherit;
}

.melode-auth-side.is-light .melode-auth-side-mid p {
  color: color-mix(in srgb, var(--ink-900, #13102f) 64%, transparent);
}

.melode-auth-side.is-light .melode-auth-side-foot {
  border-top-color: color-mix(in srgb, var(--ink-900, #13102f) 12%, transparent);
}

.melode-auth-side.is-light .melode-auth-sfrow {
  color: color-mix(in srgb, var(--ink-900, #13102f) 62%, transparent);
}

.melode-auth-side.is-light .melode-auth-sfrow b {
  color: var(--ink-900, #13102f);
}

.melode-auth-side.is-light.has-photo .melode-auth-side-photo {
  filter: saturate(0.42) brightness(0.88) contrast(0.92);
}

.melode-auth-side-top {
  flex: none;
}

.melode-auth-side-logo {
  display: block;
  /* Fixed display height so small marks scale up; wide wordmarks still cap width. */
  height: 28px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}

.melode-auth-side-orgmark {
  font-size: 18.5px;
  font-weight: 700;
  letter-spacing: -1.1px;
  color: #fff;
  line-height: 1.1;
}

.melode-auth-side-mid {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 30ch;
}

/* Alias of .m-skel so auth loaders share one motion vocabulary (F-47). */
.skel {
  border-radius: var(--m-r-sm, 6px);
  background: var(--ink-100, #f2f1f7);
  position: relative;
  overflow: hidden;
  height: 12px;
}

.skel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.85),
    transparent
  );
  transform: translateX(-100%);
  animation: m-sweep 1.25s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes m-sweep {
  to {
    transform: translateX(100%);
  }
}

.skel.skel-on-ink {
  background: rgba(255, 255, 255, 0.12);
}

.skel.skel-on-ink::after {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.28),
    transparent
  );
}

@media (prefers-reduced-motion: reduce) {
  .skel::after {
    animation: none;
  }
}

@supports (display: block) {
  html[data-motion="reduced"] .skel::after {
    animation: none;
  }
}

.melode-auth-side-mid h2 {
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.14;
  margin: 0 0 14px;
}

.melode-auth-side-mid p {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.62);
  margin: 0;
  letter-spacing: -0.01em;
}

.melode-auth-side-foot {
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}

/* Desktop: IT lives in the ink foot. Mobile: same line under the form. */
.melode-auth-it-mobile {
  display: none;
  align-items: flex-start;
  gap: 8px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--m-line, #eae8f1);
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-500, #6b6590);
  letter-spacing: -0.006em;
}

.melode-auth-it-mobile b {
  color: var(--ink-900, #13102f);
  font-weight: 550;
}

.melode-auth-sfrow {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
  letter-spacing: -0.008em;
}

.melode-auth-sfrow b {
  color: #fff;
  font-weight: 500;
}

.melode-auth-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #21b573;
  flex: none;
}

.melode-auth-attrib {
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.4;
  font-size: 11px;
  letter-spacing: 0.06em;
  margin-top: 2px;
}

.melode-auth-melodemark {
  position: relative;
  padding-bottom: 6px;
  display: inline-flex;
  align-items: center;
}

.melode-auth-melodemark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 1px;
  background: #21b573;
}

.melode-auth-pane {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 40px;
  background: #fff;
  position: relative;
  color-scheme: light;
  /* Pin light tokens so html.dark cannot invert the form pane. */
  --ink-950: #0a0818;
  --ink-900: #13102f;
  --ink-800: #1d1943;
  --ink-700: #2b2559;
  --ink-600: #453f72;
  --ink-500: #6b6590;
  --ink-400: #948faf;
  --ink-300: #c4c0d4;
  --ink-200: #e4e2ec;
  --ink-100: #f2f1f7;
  --ink-050: #f9f8fc;
  --m-canvas: #ffffff;
  --m-surface: #ffffff;
  --m-surface-sunk: #f7f7fb;
  --m-line: #eae8f1;
  --m-line-strong: #dad7e5;
  --background: #ffffff;
  --foreground: #13102f;
  --card: #ffffff;
  --card-foreground: #13102f;
  --primary: #13102f;
  --primary-foreground: #ffffff;
  --muted: #f9f8fc;
  --muted-foreground: #6b6590;
  --accent: #f2f1f7;
  --accent-foreground: #13102f;
  --border: #eae8f1;
  --input: #dad7e5;
  --destructive: #d6002f;
  color: var(--ink-900);
}

.melode-auth-form {
  width: 100%;
  max-width: 396px;
}

.melode-auth-form h1 {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.038em;
  margin: 0 0 8px;
  color: var(--ink-900, #13102f);
}

.melode-auth-form .melode-auth-sub {
  font-size: 14.5px;
  color: var(--ink-600, #453f72);
  margin: 0 0 30px;
  letter-spacing: -0.008em;
  line-height: 1.5;
}

.melode-auth-form .melode-auth-sub b {
  font-weight: 550;
  color: var(--ink-900, #13102f);
}

.melode-auth-form .melode-auth-sub .mono {
  font-family: var(--font-geist-mono), "Geist Mono", ui-monospace, monospace;
}

.melode-auth-theme {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 5;
}

/* SSO */
.melode-auth-sso {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.melode-auth-ssobtn {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 46px;
  padding: 0 16px;
  width: 100%;
  border: 1px solid var(--m-line-strong, #dad7e5);
  border-radius: 10px;
  background: var(--m-surface, #fff);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.012em;
  color: var(--ink-900, #13102f);
  cursor: pointer;
  transition: background 120ms ease;
}

.melode-auth-ssobtn:hover {
  background: var(--ink-050, #f9f8fc);
}

.melode-auth-ssobtn .hint {
  margin-left: auto;
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-400, #948faf);
}

.melode-auth-or {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 24px 0;
  color: var(--ink-400, #948faf);
  font-size: 12.5px;
}

.melode-auth-or::before,
.melode-auth-or::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--m-line, #eae8f1);
}

/* Fields */
.melode-auth-field {
  margin-bottom: 18px;
}

.melode-auth-lab {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: -0.006em;
  color: var(--ink-700, #2b2559);
  margin-bottom: 7px;
}

.melode-auth-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  height: 46px !important;
  padding: 0 14px;
  font: inherit;
  font-size: 14.5px !important;
  border: 1px solid var(--m-line-strong, #dad7e5) !important;
  border-radius: 10px !important;
  background: var(--m-surface, #fff) !important;
  color: var(--ink-900, #13102f) !important;
  box-shadow: none !important;
}

.melode-auth-input:focus-visible {
  border-color: transparent !important;
  outline: 2px solid var(--brand-accent-base, #00a1ca);
  outline-offset: -1px;
  box-shadow: none !important;
}

.melode-auth-input.is-error {
  border-color: var(--crit-base, #d92d20) !important;
}

.melode-auth-pw {
  position: relative;
}

.melode-auth-pw .melode-auth-input {
  padding-right: 4.5rem;
}

.melode-auth-pwtoggle {
  position: absolute;
  right: 6px;
  top: 6px;
  height: 34px;
  padding: 0 10px;
  border: 0;
  background: transparent;
  color: var(--ink-500, #6b6590);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
  border-radius: 8px;
}

.melode-auth-pwtoggle:hover {
  background: var(--ink-100, #f0eef6);
  color: var(--ink-900, #13102f);
}

/* DS track toggle */
.melode-auth-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink-700, #2b2559);
  margin: 4px 0 24px;
  user-select: none;
}

.melode-auth-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.melode-auth-toggle .track {
  width: 34px;
  height: 20px;
  border-radius: 10px;
  background: var(--ink-200, #dad7e5);
  position: relative;
  flex: none;
  transition: background 0.12s;
}

.melode-auth-toggle .track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.12s;
}

.melode-auth-toggle:has(input:checked) .track {
  background: var(--ink-900, #13102f);
}

.melode-auth-toggle:has(input:checked) .track::after {
  transform: translateX(14px);
}

.melode-auth-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 48px !important;
  margin: 0;
  padding: 0 16px;
  font: inherit;
  font-size: 14.5px !important;
  font-weight: 500 !important;
  letter-spacing: -0.012em;
  border-radius: 10px !important;
  background: var(--ink-900, #13102f) !important;
  color: var(--ink-050, #f9f8fc) !important;
  border: 1px solid var(--ink-900, #13102f) !important;
  cursor: pointer;
}

.melode-auth-btn:hover:not(:disabled) {
  background: var(--ink-800, #1d1943) !important;
}

.melode-auth-btn-ghost {
  width: 100%;
  height: 48px !important;
  font-weight: 500 !important;
  border-radius: 10px !important;
  border: 1px solid var(--m-line-strong, #dad7e5) !important;
  background: transparent !important;
  color: var(--ink-900, #13102f) !important;
}

.melode-auth-btn-ghost:hover:not(:disabled) {
  background: var(--ink-050, #f9f8fc) !important;
}

.melode-auth-help {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--m-line, #eae8f1);
  font-size: 13px;
  color: var(--ink-500, #6b6590);
  line-height: 1.6;
  letter-spacing: -0.006em;
}

.melode-auth-help b {
  color: var(--ink-900, #13102f);
  font-weight: 550;
}

.melode-auth-link {
  color: var(--brand-accent-ink, #006f8c);
  text-decoration: none;
  font-weight: 500;
}

.melode-auth-link:hover {
  text-decoration: underline;
}

.melode-auth-banner {
  display: flex;
  gap: 11px;
  padding: 14px 16px;
  border-radius: 10px;
  margin-bottom: 22px;
  align-items: flex-start;
  font-size: 13.5px;
  line-height: 1.55;
  letter-spacing: -0.008em;
  color: var(--ink-900, #13102f);
}

.melode-auth-banner.crit {
  background: var(--crit-wash, #ffeeed);
  border: 1px solid var(--crit-line, #fec1c0);
}

.melode-auth-banner.warn {
  background: var(--warn-wash, #fff0e5);
  border: 1px solid var(--warn-line, #f9c6aa);
}

.melode-auth-banner.pos {
  background: var(--pos-wash, #e9fbeb);
  border: 1px solid var(--pos-line, #b4e0b9);
}

.melode-auth-banner b {
  font-weight: 550;
}

/* MFA digit boxes */
.melode-auth-codes {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.melode-auth-codes input {
  width: 52px;
  height: 58px;
  text-align: center;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  border: 1px solid var(--m-line-strong, #dad7e5);
  border-radius: 10px;
  font-family: var(--font-geist-mono), "Geist Mono", ui-monospace, monospace;
  color: var(--ink-900, #13102f);
  background: var(--m-surface, #fff);
}

.melode-auth-codes input:focus {
  outline: 2px solid var(--brand-accent-base, #00a1ca);
  outline-offset: -1px;
  border-color: transparent;
}

.melode-auth-lock-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--crit-wash, #ffeeed);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  color: var(--crit-ink, #9b1c1c);
}

.melode-auth-eq {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
  margin-right: 8px;
}

.melode-auth-eq i {
  width: 2.5px;
  border-radius: 1px;
  background: currentColor;
  height: 40%;
  animation: melode-eq 0.7s ease-in-out infinite;
}

.melode-auth-eq i:nth-child(2) {
  animation-delay: 0.12s;
}

.melode-auth-eq i:nth-child(3) {
  animation-delay: 0.24s;
}

@keyframes melode-eq {
  0%,
  100% {
    height: 40%;
  }
  50% {
    height: 100%;
  }
}

/* ══ Centred pub (61/62/63) ═════════════════════════════════ */

.melode-auth-pub {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--m-canvas, #fff);
  padding: 64px 24px 48px;
  position: relative;
}

.melode-auth-pub-inner {
  max-width: 420px;
  margin: 0 auto;
}

.melode-auth-pub-inner.wide {
  max-width: 520px;
}

.melode-auth-pub .t-micro {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-500, #6b6590);
  margin-bottom: 10px;
}

.melode-auth-pub .t-page {
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.032em;
  line-height: 1.22;
  margin: 0 0 8px;
  color: var(--ink-900, #13102f);
}

.melode-auth-pub .t-meta {
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: -0.002em;
  color: var(--ink-500, #6b6590);
  margin: 0 0 24px;
  line-height: 1.55;
}

.melode-auth-pub .t-strong {
  font-size: 13.5px;
  font-weight: 550;
  letter-spacing: -0.012em;
  color: var(--ink-900, #13102f);
}

.melode-auth-panel {
  border: 1px solid var(--m-line, #eae8f1);
  border-radius: 10px;
  background: var(--m-surface, #fff);
  padding: 22px;
  overflow: hidden;
}

.melode-auth-field-row {
  margin-bottom: 14px;
}

.melode-auth-field-row .lbl {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-500, #6b6590);
  margin-bottom: 6px;
}

.melode-auth-readonly {
  border: 1px solid var(--m-line-strong, #dad7e5);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--ink-050, #f9f8fc);
  min-height: 20px;
  font-size: 14px;
  color: var(--ink-900, #13102f);
}

.melode-auth-list-row {
  padding: 14px 16px;
  border-bottom: 1px solid var(--m-line, #eae8f1);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  width: 100%;
  text-align: left;
  background: transparent;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  cursor: pointer;
  font: inherit;
}

.melode-auth-list-row:last-child {
  border-bottom: 0;
}

.melode-auth-list-row:hover {
  background: var(--ink-050, #f9f8fc);
}

.melode-auth-list-row.on {
  background: var(--brand-accent-wash, #eaf8fc);
}

.melode-auth-pill {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid var(--pos-line, #b4e0b9);
  background: var(--pos-wash, #e9fbeb);
  color: var(--pos-ink, #0f6b2f);
  white-space: nowrap;
  flex: none;
}

@media (max-width: 900px) {
  .melode-auth {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .melode-auth-side {
    padding: 28px 24px 26px;
  }

  .melode-auth-side-mid {
    max-width: none;
    padding: 22px 0 6px;
  }

  .melode-auth-side-mid h2 {
    font-size: 26px;
  }

  .melode-auth-side-foot {
    display: none;
  }

  .melode-auth-it-mobile {
    display: flex;
  }

  .melode-auth-pane {
    padding: 32px 24px 60px;
    min-height: 60vh;
  }

  .melode-auth-codes input {
    width: 44px;
    height: 52px;
    font-size: 20px;
  }
}

/* Pub auth screens follow [data-theme="dark"] tokens; split login pane stays light-pinned. */

[data-theme="dark"] .melode-auth-pub {
  color: var(--ink-900);
  background: var(--m-canvas);
}

[data-theme="dark"] .melode-auth-pub .t-page,
[data-theme="dark"] .melode-auth-pub .t-strong {
  color: var(--ink-900);
}

[data-theme="dark"] .melode-auth-pub .t-meta,
[data-theme="dark"] .melode-auth-pub .t-micro {
  color: var(--ink-500);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-lab {
  color: var(--ink-700);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-toggle {
  color: var(--ink-700);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-toggle .track {
  background: var(--ink-200);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-toggle:has(input:checked) .track {
  background: var(--ink-700);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-btn {
  background: var(--ink-900) !important;
  color: var(--ink-050) !important;
  border-color: var(--ink-900) !important;
}

[data-theme="dark"] .melode-auth-pub .melode-auth-btn:hover:not(:disabled) {
  background: var(--ink-950) !important;
}

[data-theme="dark"] .melode-auth-pub .melode-auth-btn-ghost {
  border-color: var(--m-line-strong) !important;
  color: var(--ink-900) !important;
  background: transparent !important;
}

[data-theme="dark"] .melode-auth-pub .melode-auth-btn-ghost:hover:not(:disabled) {
  background: var(--ink-050) !important;
}

[data-theme="dark"] .melode-auth-pub .melode-auth-ssobtn:hover {
  background: var(--ink-050);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-help {
  border-top-color: var(--m-line);
  color: var(--ink-500);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-help b {
  color: var(--ink-900);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-readonly {
  background: var(--ink-050);
  border-color: var(--m-line-strong);
  color: var(--ink-900);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-list-row {
  border-bottom-color: var(--m-line);
  color: var(--ink-900);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-list-row:hover {
  background: var(--ink-050);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-list-row.on {
  background: var(--brand-accent-wash);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-theme .h-4,
[data-theme="dark"] .melode-auth-pub .melode-auth-theme button {
  color: var(--ink-700);
}

[data-theme="dark"] .melode-auth-pub .melode-auth-pwtoggle:hover {
  background: var(--ink-100);
  color: var(--ink-900);
}