/* ============================================================================
   InvoiceFlow — Login Page (A6 · split-screen, unified mesh, floating card)
   State of Art 2026 · OKLCH tokens · soft clay depth · kinetic hero
   ============================================================================ */

:root {
  /* Brand — Teal primary (matches Rosea tokens) */
  --brand-400: oklch(0.78 0.14 178);
  --brand-500: oklch(0.72 0.14 180);
  --brand-600: oklch(0.63 0.13 182);
  --brand-700: oklch(0.54 0.11 184);
  --brand-800: oklch(0.44 0.09 186);

  /* Neutrals — slight warm tint (human, not sterile) */
  --ink-0:   oklch(1 0 0);
  --ink-25:  oklch(0.992 0.003 85);
  --ink-50:  oklch(0.985 0.004 85);
  --ink-100: oklch(0.97 0.005 85);
  --ink-200: oklch(0.92 0.008 240);
  --ink-300: oklch(0.85 0.012 240);
  --ink-400: oklch(0.66 0.018 240);
  --ink-500: oklch(0.52 0.02 240);
  --ink-600: oklch(0.42 0.025 240);
  --ink-700: oklch(0.32 0.03 240);
  --ink-800: oklch(0.22 0.035 240);
  --ink-900: oklch(0.14 0.04 248);

  /* Semantic */
  --error:   oklch(0.62 0.21 25);
  --success: oklch(0.65 0.17 155);

  /* Radius */
  --r-sm: 8px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 22px;

  /* Floating card — layered soft-clay shadows, brand-tinted deep layer */
  --shadow-float:
    0 1px 2px oklch(0 0 0 / 0.04),
    0 4px 8px -2px oklch(0 0 0 / 0.04),
    0 16px 32px -8px oklch(0 0 0 / 0.06),
    0 32px 64px -16px color-mix(in oklch, var(--brand-800) 22%, transparent),
    inset 0 1px 0 oklch(1 0 0 / 0.7);

  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.06), 0 1px 2px oklch(0 0 0 / 0.03);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.06), 0 2px 4px oklch(0 0 0 / 0.04);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 140ms;
  --t-base: 220ms;

  --font-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
}

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

html, body {
  font-family: var(--font-sans);
  color: var(--ink-900);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv11';
}

/* ============================================================================
   UNIFIED STAGE — mesh gradient covers entire viewport
   No panel backgrounds, no dividers — the split is felt, not seen
   ============================================================================ */
body {
  position: relative;
  overflow-x: hidden;
  background: var(--ink-25);
  isolation: isolate;
}

body::before {
  content: '';
  position: fixed;
  inset: -10%;
  z-index: -2;
  background:
    radial-gradient(ellipse 55% 45% at 12% 18%, color-mix(in oklch, var(--brand-500) 20%, transparent) 0%, transparent 60%),
    radial-gradient(ellipse 45% 55% at 78% 8%,  color-mix(in oklch, var(--brand-400) 15%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse 60% 55% at 88% 72%, color-mix(in oklch, var(--brand-600) 13%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse 65% 50% at 30% 95%, color-mix(in oklch, var(--brand-700) 11%, transparent) 0%, transparent 55%);
  animation: mesh-drift 40s var(--ease-in-out) infinite;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.45;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.1' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

@keyframes mesh-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(2%, -1%) scale(1.03); }
  66%      { transform: translate(-1%, 2%) scale(1.05); }
}

/* ============================================================================
   Split layout — no panel backgrounds, no divider
   ============================================================================ */
.auth-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  min-height: 100vh;
}

@media (max-width: 960px) {
  .auth-shell { grid-template-columns: 1fr; }
}

/* ============================================================================
   LEFT: Brand panel — transparent, sits directly on mesh
   ============================================================================ */
.auth-brand {
  padding: 48px 64px;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 24px;
  color: var(--ink-800);
}

@media (max-width: 960px) {
  .auth-brand {
    padding: 40px 32px 20px;
    min-height: auto;
    gap: 20px;
  }
}

/* Top: logo */
.brand-top {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  opacity: 0;
  animation: fade-in 600ms var(--ease-out) 60ms forwards;
}

.brand-top .logo-box {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, var(--brand-600) 0%, var(--brand-700) 100%);
  display: grid;
  place-items: center;
  box-shadow:
    0 4px 10px -3px color-mix(in oklch, var(--brand-600) 35%, transparent),
    inset 0 1px 0 oklch(1 0 0 / 0.2);
}

.brand-top .logo-box svg { width: 16px; height: 16px; color: var(--ink-0); }

/* ---- Hero: dominant editorial display ---- */
.brand-hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 640px;
  align-self: center;
}

.brand-hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  color: var(--ink-900);
  text-wrap: balance;
  position: relative;
}

.hero-line {
  display: block;
  opacity: 0;
  transform: translateY(14px);
  animation: hero-rise 620ms var(--ease-out) forwards;
}

.hero-line.line-1 { animation-delay: 140ms; }

.hero-line.line-2 {
  animation-delay: 420ms;
  background: linear-gradient(108deg,
    var(--brand-700) 0%,
    var(--brand-500) 40%,
    var(--brand-400) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  position: relative;
}

/* Subtle glow halo behind "Zrobione." */
.hero-line.line-2::before {
  content: '';
  position: absolute;
  inset: -10% -5%;
  background: radial-gradient(ellipse 70% 50% at 30% 50%, color-mix(in oklch, var(--brand-500) 24%, transparent) 0%, transparent 70%);
  z-index: -1;
  filter: blur(32px);
  opacity: 0;
  animation: glow-in 900ms var(--ease-out) 600ms forwards;
}

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes glow-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Terminal-style cursor after "Zrobione." */
.cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  margin-left: 6px;
  vertical-align: -0.08em;
  background: var(--brand-600);
  opacity: 0;
  border-radius: 2px;
  animation:
    cursor-appear 300ms var(--ease-out) 1000ms forwards,
    cursor-blink 1.05s steps(1) 1000ms infinite;
}

@keyframes cursor-appear {
  from { opacity: 0; transform: scaleY(0.4); }
  to   { opacity: 1; transform: scaleY(1); }
}

@keyframes cursor-blink {
  0%, 50%      { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

.brand-tagline {
  margin-top: 28px;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--ink-600);
  max-width: 440px;
  opacity: 0;
  animation: fade-in 700ms var(--ease-out) 900ms forwards;
}

.brand-tagline strong {
  color: var(--ink-800);
  font-weight: 600;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Micro suite strip ---- */
.brand-suite {
  display: flex;
  align-items: center;
  gap: 14px;
  opacity: 0;
  animation: fade-in 700ms var(--ease-out) 1150ms forwards;
  flex-wrap: wrap;
}

.suite-modules {
  display: flex;
  gap: 6px;
}

.suite-mod {
  position: relative;
  width: 30px; height: 30px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  background: color-mix(in oklch, var(--ink-0) 70%, transparent);
  border: 1px solid var(--ink-200);
  color: var(--ink-400);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition:
    transform var(--t-fast) var(--ease-out),
    border-color var(--t-fast) var(--ease-out);
  cursor: default;
}

.suite-mod svg { width: 14px; height: 14px; }

.suite-mod:hover {
  transform: translateY(-1px);
  border-color: var(--ink-300);
}

/* Tooltip via data-name attr */
.suite-mod::after {
  content: attr(data-name);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(2px);
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--ink-900);
  color: var(--ink-0);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-fast), transform var(--t-fast);
}

.suite-mod:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.suite-mod.is-active {
  background: linear-gradient(135deg, var(--brand-600) 0%, var(--brand-700) 100%);
  border-color: transparent;
  color: var(--ink-0);
  box-shadow:
    0 3px 10px -2px color-mix(in oklch, var(--brand-600) 40%, transparent),
    inset 0 1px 0 oklch(1 0 0 / 0.18);
}

.suite-label {
  font-size: 11.5px;
  color: var(--ink-500);
  letter-spacing: 0.02em;
}

.suite-label strong {
  color: var(--ink-800);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ---- Brand footer (AP tag + version) ---- */
.brand-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: var(--ink-500);
  letter-spacing: 0.02em;
  flex-wrap: wrap;
  gap: 8px;
  opacity: 0;
  animation: fade-in 700ms var(--ease-out) 1300ms forwards;
}

.brand-footer .ap-tag strong {
  color: var(--ink-800);
  font-weight: 600;
}

.brand-footer .version {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink-400);
  letter-spacing: 0.05em;
}

/* ============================================================================
   RIGHT: Form wrapper — transparent, mesh shows through
   ============================================================================ */
.auth-form-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 64px;
}

@media (max-width: 960px) {
  .auth-form-wrap { padding: 12px 24px 48px; }
}

/* ============================================================================
   FLOATING CARD — soft clay 3D (layered ambient shadows)
   Also aliases `.login-card` for JS shakeLoginCard() compatibility
   ============================================================================ */
.card,
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--ink-0);
  border: 1px solid color-mix(in oklch, var(--ink-0) 50%, var(--ink-200));
  border-radius: var(--r-xl);
  padding: 40px 42px 36px;
  box-shadow: var(--shadow-float);
  position: relative;
  opacity: 0;
  animation: card-lift 700ms var(--ease-out) 300ms forwards;
  background-image:
    linear-gradient(180deg, oklch(1 0 0) 0%, oklch(0.992 0.003 85) 100%);
}

@keyframes card-lift {
  from { opacity: 0; transform: translateY(18px) scale(0.985); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Hairline accent on top edge */
.card::before,
.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 15%; right: 15%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    color-mix(in oklch, var(--brand-500) 60%, transparent) 50%,
    transparent 100%);
  border-radius: 1px;
}

/* Ground reflection — ghost of card below */
.card::after,
.login-card::after {
  content: '';
  position: absolute;
  bottom: -24px;
  left: 15%; right: 15%;
  height: 36px;
  background: radial-gradient(ellipse 60% 100% at 50% 0%,
    color-mix(in oklch, var(--brand-800) 14%, transparent) 0%,
    transparent 70%);
  filter: blur(18px);
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  animation: fade-in 900ms var(--ease-out) 700ms forwards;
}

.card-header { margin-bottom: 28px; text-align: center; }

.card-header h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.card-header p {
  font-size: 13.5px;
  color: var(--ink-500);
  line-height: 1.5;
}

/* ============================================================================
   Form elements
   ============================================================================ */
.login-form { display: block; }

.field,
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field label,
.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-700);
  letter-spacing: 0.01em;
}

.field-input,
.input-container {
  position: relative;
}

.field-input input,
.input-container input,
.form-group input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  background: var(--ink-0);
  border: 1px solid var(--ink-200);
  border-radius: var(--r-md);
  color: var(--ink-900);
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 400;
  transition:
    border-color var(--t-fast) var(--ease-out),
    box-shadow var(--t-fast) var(--ease-out);
}

.field-input input::placeholder,
.input-container input::placeholder,
.form-group input::placeholder {
  color: var(--ink-400);
}

.field-input input:hover:not(:focus),
.input-container input:hover:not(:focus),
.form-group input:hover:not(:focus) {
  border-color: var(--ink-300);
}

.field-input input:focus,
.input-container input:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--brand-600);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--brand-500) 22%, transparent);
}

.field-input input:disabled,
.input-container input:disabled,
.form-group input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Password reveal (aliased as .toggle-password for JS) */
.reveal,
.toggle-password {
  position: absolute;
  right: 6px; top: 50%;
  transform: translateY(-50%);
  width: 32px; height: 32px;
  border: none;
  background: transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  color: var(--ink-400);
  display: grid;
  place-items: center;
  transition: color var(--t-fast), background var(--t-fast);
}

.reveal:hover,
.toggle-password:hover {
  color: var(--ink-700);
  background: var(--ink-100);
}

.reveal svg,
.toggle-password svg { width: 18px; height: 18px; }

.eye-icon {
  font-size: 16px;
  line-height: 1;
}

/* ---- Form links (forgot password) ---- */
.form-links {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 20px;
}

.form-links a {
  font-size: 13px;
  color: var(--brand-700);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--t-fast);
}

.form-links a:hover {
  color: var(--brand-800);
  text-decoration: underline;
}

/* ---- Primary button (aliased as .login-btn for JS) ---- */
.btn-primary,
.login-btn {
  width: 100%;
  height: 46px;
  border: none;
  border-radius: var(--r-md);
  background: var(--brand-600);
  color: var(--ink-0);
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    background var(--t-base) var(--ease-out),
    transform var(--t-fast) var(--ease-out),
    box-shadow var(--t-base) var(--ease-out);
  box-shadow:
    0 1px 2px oklch(0 0 0 / 0.08),
    inset 0 1px 0 oklch(1 0 0 / 0.15);
}

.btn-primary:hover:not(:disabled),
.login-btn:hover:not(:disabled) {
  background: var(--brand-700);
  box-shadow:
    0 6px 16px -3px color-mix(in oklch, var(--brand-600) 45%, transparent),
    inset 0 1px 0 oklch(1 0 0 / 0.15);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled),
.login-btn:active:not(:disabled) { transform: translateY(0); }

.btn-primary:focus-visible,
.login-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--brand-500) 35%, transparent);
}

.btn-primary:disabled,
.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Loading state (JS setLoadingState adds .loading) */
.login-btn.loading {
  pointer-events: none;
  position: relative;
  color: transparent;
}

.login-btn.loading .btn-text {
  visibility: hidden;
}

.login-btn.loading::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 18px; height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid oklch(1 0 0 / 0.3);
  border-top-color: var(--ink-0);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ---- Divider ---- */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0 20px;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--ink-200);
}

.divider span {
  font-size: 11.5px;
  color: var(--ink-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* ---- Monday OAuth button (neutral outline — app-native style) ---- */
.btn-oauth {
  width: 100%;
  height: 46px;
  border: 1px solid var(--ink-200);
  border-radius: var(--r-md);
  background: var(--ink-0);
  color: var(--ink-800);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--t-fast) var(--ease-out);
  text-decoration: none;
}

.btn-oauth:hover {
  border-color: var(--ink-300);
  background: var(--ink-50);
  box-shadow: 0 4px 12px -4px oklch(0 0 0 / 0.08);
}

.btn-oauth svg { width: 20px; height: 20px; flex-shrink: 0; }
.btn-oauth .btn-text { line-height: 1; }

/* ============================================================================
   Status messages (IDs preserved for login.js)
   ============================================================================ */
.status-messages {
  margin-top: 20px;
  min-height: 1rem;
}

.login-card__aux {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--ink-200);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-card__aux-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-500);
  letter-spacing: 0.01em;
}

.employee-portal-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 40px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  border: 1px solid color-mix(in oklch, var(--ink-200) 88%, transparent);
  background: color-mix(in oklch, var(--ink-50) 82%, transparent);
  color: var(--ink-700);
  text-decoration: none;
  transition:
    border-color var(--t-fast) var(--ease-out),
    background var(--t-fast) var(--ease-out),
    color var(--t-fast) var(--ease-out);
}

.employee-portal-link:hover {
  border-color: color-mix(in oklch, var(--brand-500) 42%, var(--ink-200));
  background: color-mix(in oklch, var(--brand-400) 8%, var(--ink-0));
  color: var(--ink-800);
}

.employee-portal-link:focus-visible {
  outline: none;
  border-color: var(--brand-600);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--brand-500) 18%, transparent);
}

.employee-portal-link__icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: color-mix(in oklch, var(--brand-500) 14%, var(--ink-0));
  color: var(--brand-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.employee-portal-link__icon svg {
  width: 15px;
  height: 15px;
}

.employee-portal-link__text {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
}

.employee-portal-link__arrow {
  flex: 0 0 auto;
  color: var(--ink-400);
  transition: transform var(--t-fast) var(--ease-out), color var(--t-fast) var(--ease-out);
}

.employee-portal-link:hover .employee-portal-link__arrow {
  transform: translateX(2px);
  color: var(--brand-700);
}

.error-message,
.success-message {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 400;
  border: 1px solid transparent;
}

.error-message {
  background: color-mix(in oklch, var(--error) 10%, transparent);
  border-color: color-mix(in oklch, var(--error) 30%, transparent);
  color: color-mix(in oklch, var(--error) 60%, var(--ink-900));
}

.success-message {
  background: color-mix(in oklch, var(--success) 10%, transparent);
  border-color: color-mix(in oklch, var(--success) 30%, transparent);
  color: color-mix(in oklch, var(--success) 60%, var(--ink-900));
}

.error-icon,
.success-icon {
  font-size: 14px;
  flex-shrink: 0;
}

/* ============================================================================
   Shake animation (JS shakeLoginCard adds .shake to .login-card)
   ============================================================================ */
.shake {
  animation: shake 0.35s var(--ease-out);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}

/* ============================================================================
   Accessibility — reduced motion
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  .hero-line { opacity: 1; transform: none; animation: none; }
  .hero-line.line-2::before { opacity: 1; animation: none; }
  .cursor { animation: cursor-blink 1.05s steps(1) infinite; opacity: 1; }
  .brand-top,
  .brand-tagline,
  .brand-suite,
  .brand-footer,
  .card, .login-card,
  .card::after, .login-card::after {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .shake { animation: none; }
}

/* ============================================================================
   Mobile refinements (<640px)
   ============================================================================ */
@media (max-width: 640px) {
  .brand-hero h1 {
    font-size: clamp(40px, 11vw, 60px);
  }
  .brand-tagline {
    font-size: 14.5px;
    margin-top: 20px;
  }
  .card, .login-card {
    padding: 32px 24px 28px;
  }
  .card-header { margin-bottom: 24px; }
  .card-header h2 { font-size: 22px; }
}

/* Touch-friendly hit targets */
@media (pointer: coarse) {
  .btn-primary, .login-btn,
  .btn-oauth,
  .reveal, .toggle-password {
    min-height: 44px;
  }
  .field-input input,
  .input-container input,
  .form-group input {
    min-height: 44px;
    font-size: 16px; /* iOS zoom prevention */
  }
}

/* ============================================================================
   Focus ring — app-wide consistency
   ============================================================================ */
:focus-visible {
  outline: none;
}

a:focus-visible,
button:focus-visible:not(.btn-primary):not(.login-btn) {
  outline: 2px solid var(--brand-600);
  outline-offset: 2px;
  border-radius: 4px;
}