/* ==========================================================================
   RunRush Authentication Shared Styles (Login & Register)
   ==========================================================================
   Consumes design tokens exclusively from tokens.css.
   Strictly zero hardcoded hex or rgba values.
   ========================================================================== */

:root,
html.auth-html,
body.auth-body {
  --bg-body: #07090C;
  --bg-surface: #0F1218;
  --bg-surface-raised: #141820;
  --bg-card: #0F1218;
  --bg-card-hover: #141820;
  --bg-input: #0C0F15;
  --bg-input-focus: #0F1520;
  --bg-overlay: rgba(4, 5, 7, 0.72);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text-primary: #F3F4F6;
  --text-secondary: #9BA3AF;
  --text-tertiary: #6B7280;
  --text-on-accent: #07090C;
  --accent: #4ADE80;
  --accent-strong: #22C55E;
  --accent-lime: #4ADE80;
  --accent-lime-strong: #22C55E;
  --accent-lime-soft: rgba(74, 222, 128, 0.12);
  --shadow-cta-glow: 0 4px 20px rgba(74, 222, 128, 0.35);
  --shadow-cta-hover: 0 6px 26px rgba(74, 222, 128, 0.5);
  color-scheme: dark;
}

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

body.auth-body {
  font-family: var(--font-family-base);
  background-color: var(--bg-body);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: stretch;
  overflow-x: hidden;
  line-height: var(--lh-normal);
}

/* ── Split Layout Container ── */
.auth-page {
  display: flex;
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-body);
}

/* ── Hero Panel (Left on Desktop, Top on Mobile) ── */
.auth-hero {
  position: relative;
  flex: 1.1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  background-color: var(--bg-body);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  z-index: 1;
}

/* CSS-only dark gradient overlay fading down to body background */
.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 35%,
    var(--bg-overlay) 70%,
    var(--bg-body) 100%
  );
  pointer-events: none;
}

/* Desktop horizontal fade between hero and form */
.desktop-side-fade {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    to right,
    transparent 0%,
    transparent 65%,
    var(--bg-body) 100%
  );
  pointer-events: none;
}

.hero-brand-badge {
  position: relative;
  z-index: 3;
  padding: var(--space-6) var(--space-8);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--text-primary);
}

.hero-brand-badge:focus-visible {
  outline: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  outline-offset: 2px;
}

.brand-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--accent-lime-soft);
  border: 1px solid var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.brand-title-text {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  color: var(--text-primary);
}

/* ── Form Panel (Right on Desktop) ── */
.auth-form-side {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  background-color: var(--bg-body);
  position: relative;
  z-index: 4;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
}

.auth-header {
  margin-bottom: var(--space-6);
}

.auth-title {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
}

.accent-text {
  color: var(--accent);
}

.auth-subtitle {
  font-size: var(--fs-body-sm);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

/* ── Status Alerts & Banners ── */
.auth-alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-body-sm);
  margin-bottom: var(--space-4);
  line-height: var(--lh-normal);
}

.alert-danger {
  background-color: var(--danger-soft);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.alert-info {
  background-color: var(--accent-lime-soft);
  border: 1px solid var(--accent);
  color: var(--text-primary);
}

.db-notice {
  background-color: var(--warning-soft);
  border: 1px solid var(--warning);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  font-size: var(--fs-caption);
  color: var(--text-primary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.notice-text {
  flex: 1;
  line-height: var(--lh-relaxed);
}

.notice-link {
  color: var(--warning);
  text-decoration: underline;
  font-weight: var(--fw-semibold);
}

.notice-dismiss {
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: var(--fs-body);
  cursor: pointer;
  line-height: 1;
  padding: 0;
}

.notice-dismiss:focus-visible {
  outline: 2px solid var(--accent);
  border-radius: var(--radius-xs);
}

/* ── Form Inputs & Groups ── */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field-label {
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  letter-spacing: var(--ls-wide);
  text-transform: capitalize;
}

.input-container {
  position: relative;
  display: flex;
  align-items: center;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s var(--ease-standard), background-color 0.2s var(--ease-standard);
}

.input-container:hover {
  border-color: var(--border-strong);
}

.input-leading-icon {
  position: absolute;
  left: var(--space-4);
  color: var(--text-tertiary);
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.form-input {
  width: 100%;
  height: 52px;
  padding: var(--space-3) var(--space-4) var(--space-3) 48px;
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--fs-body-sm);
  outline: none;
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

/* Plain focus ring on focus-visible only (NO glow) */
.form-input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  border-radius: var(--radius-lg);
}

/* Suppress browser-native reveal button in Edge/Chromium */
.form-input::-ms-reveal,
.form-input::-ms-clear {
  display: none;
  width: 0;
  height: 0;
}

.pin-input-field {
  padding-right: 52px;
}

/* Accessible PIN toggle button */
.pin-toggle-btn {
  position: absolute;
  right: var(--space-1);
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s var(--ease-standard);
}

.pin-toggle-btn:hover {
  color: var(--text-primary);
}

.pin-toggle-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.toggle-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.is-hidden {
  display: none !important;
}

/* Field helper and error descriptions */
.field-helper {
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  padding: 0 var(--space-1);
}

.field-error-text {
  font-size: var(--fs-caption);
  color: var(--danger);
  line-height: var(--lh-normal);
  padding: 0 var(--space-1);
}

/* Auxiliary Row & Forgot PIN (accessible 44px tap target) */
.form-auxiliary {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.forgot-link {
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-1);
  transition: color 0.2s var(--ease-standard);
}

.forgot-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

.forgot-link:focus-visible {
  outline: 2px solid var(--accent);
  border-radius: var(--radius-xs);
  outline-offset: 2px;
}

/* ── Primary CTA Button (Glow on CTA only) ── */
.btn-primary-cta {
  width: 100%;
  height: 52px;
  margin-top: var(--space-2);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: var(--text-on-accent, #07090C);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-cta-glow);
  transition: transform 0.2s var(--ease-standard), box-shadow 0.2s var(--ease-standard), filter 0.2s var(--ease-standard);
}

.btn-primary-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-cta-hover);
  filter: brightness(1.05);
}

.btn-primary-cta:active {
  transform: translateY(0);
  box-shadow: var(--shadow-cta-glow);
}

.btn-primary-cta:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 3px;
}

/* ── Divider ── */
.auth-divider {
  position: relative;
  text-align: center;
  margin: var(--space-6) 0 var(--space-5);
}

.auth-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--border-color);
}

.divider-text {
  position: relative;
  display: inline-block;
  padding: 0 var(--space-3);
  background-color: var(--bg-body);
  font-size: var(--fs-caption);
  color: var(--text-tertiary);
  text-transform: lowercase;
}

/* ── Social Row ── */
.social-row {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.social-btn {
  width: 58px;
  height: 58px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  color: var(--text-primary);
  font: inherit;
  transition: background-color 0.2s var(--ease-standard), border-color 0.2s var(--ease-standard), transform 0.2s var(--ease-standard);
}

.social-btn:hover {
  background-color: var(--bg-surface-raised);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.social-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Dev Login ── */
.dev-login-form {
  margin-bottom: var(--space-4);
  text-align: center;
}

.dev-login-btn {
  width: 100%;
  min-height: 44px;
  padding: var(--space-3);
  background: var(--warning-soft);
  border: 1px solid var(--warning);
  color: var(--warning);
  border-radius: var(--radius-md);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: background-color 0.2s var(--ease-standard);
}

.dev-login-btn:hover {
  background-color: var(--border-strong);
}

.dev-login-btn:focus-visible {
  outline: 2px solid var(--warning);
  outline-offset: 2px;
}

/* ── Footer ── */
.auth-footer-text {
  text-align: center;
  font-size: var(--fs-body-sm);
  color: var(--text-secondary);
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
}

.accent-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: var(--fw-semibold);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: text-decoration 0.2s var(--ease-standard);
}

.accent-link:hover {
  text-decoration: underline;
}

.accent-link:focus-visible {
  outline: 2px solid var(--accent);
  border-radius: var(--radius-xs);
  outline-offset: 2px;
}

/* ── Mobile Layout (< 768px) ── */
@media (max-width: 767px) {
  .auth-page {
    flex-direction: column;
    min-height: 100vh;
  }

  .auth-hero {
    flex: none;
    width: 100%;
    height: 38vh;
    min-height: 250px;
    max-height: 360px;
  }

  /* Shorter hero for register page to allow effortless form scrolling */
  .auth-hero.hero-short {
    height: 25vh;
    min-height: 180px;
    max-height: 240px;
  }

  .hero-image {
    object-position: 70% 25%;
  }

  .desktop-side-fade {
    display: none;
  }

  .hero-brand-badge {
    padding: var(--space-4) var(--space-5);
  }

  .auth-form-side {
    flex: 1;
    width: 100%;
    padding: var(--space-5) var(--space-5) var(--space-10);
    margin-top: calc(-1 * var(--space-6));
    overflow-y: visible;
  }

  .auth-title {
    font-size: var(--fs-h2);
  }
}

/* ── Coming Soon Modal / Popup ── */
.coming-soon-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background-color: var(--bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease-standard), visibility 0.25s var(--ease-standard);
  pointer-events: none;
}

.coming-soon-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.coming-soon-card {
  position: relative;
  width: 100%;
  max-width: 320px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-5);
  text-align: center;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.6), 0 0 24px rgba(74, 222, 128, 0.08);
  transform: scale(0.92) translateY(8px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.coming-soon-backdrop.is-visible .coming-soon-card {
  transform: scale(1) translateY(0);
}

.coming-soon-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: color 0.15s, background-color 0.15s;
}

.coming-soon-close:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-raised);
}

.coming-soon-icon-wrap {
  width: 58px;
  height: 58px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--accent-lime-soft);
  color: var(--accent);
  border: 1px solid rgba(74, 222, 128, 0.25);
  box-shadow: 0 0 16px rgba(74, 222, 128, 0.15);
}

.rotating-hourglass {
  animation: hourglass-flip 2.4s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes hourglass-flip {
  0% {
    transform: rotate(0deg);
  }
  15% {
    transform: rotate(0deg);
  }
  45% {
    transform: rotate(180deg);
  }
  65% {
    transform: rotate(180deg);
  }
  95% {
    transform: rotate(360deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.coming-soon-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.coming-soon-desc {
  font-size: var(--fs-body-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-5);
}

.coming-soon-dismiss-btn {
  width: 100%;
  min-height: 44px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--accent);
  color: var(--text-on-accent);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body-sm);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease-standard), transform 0.15s var(--ease-standard);
}

.coming-soon-dismiss-btn:hover {
  background-color: var(--accent-strong);
  transform: translateY(-1px);
}

/* ── Reduced Motion Accessibility ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}