/* =============================================================
   login.css — Zurl SaaS Login Page
   Design language: Indigo-led, glassmorphism card on mesh gradient
   Mirrors signup.css — same tokens, same section structure
   Author: generated for Gaurav / Zurl project
   ============================================================= */


/* ─────────────────────────────────────────────────────────────
   1. Design Tokens
───────────────────────────────────────────────────────────── */
:root {
  /* Brand palette */
  --clr-primary:        #6366f1;   /* Indigo 500  */
  --clr-primary-dark:   #4f46e5;   /* Indigo 600  */
  --clr-primary-light:  #e0e7ff;   /* Indigo 100  */
  --clr-primary-glow:   rgba(99, 102, 241, 0.25);

  /* Semantic */
  --clr-success:        #10b981;
  --clr-success-bg:     rgba(16, 185, 129, 0.08);
  --clr-error:          #ef4444;
  --clr-error-bg:       rgba(239, 68, 68, 0.08);

  /* Neutrals */
  --clr-text-primary:   #0f172a;
  --clr-text-secondary: #64748b;
  --clr-text-placeholder: #94a3b8;
  --clr-border:         rgba(148, 163, 184, 0.3);
  --clr-border-focus:   var(--clr-primary);
  --clr-surface:        rgba(255, 255, 255, 0.72);
  --clr-surface-hover:  rgba(255, 255, 255, 0.85);

  /* Background gradient — mesh-style */
  --bg-from:            #eef2ff;   /* very light indigo */
  --bg-via:             #f8fafc;   /* near white        */
  --bg-to:              #ede9fe;   /* light violet      */

  /* Typography */
  --font-body:          'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing scale */
  --sp-xs:  4px;
  --sp-sm:  8px;
  --sp-md:  16px;
  --sp-lg:  24px;
  --sp-xl:  32px;
  --sp-2xl: 48px;

  /* Radii */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card:   0 8px 32px rgba(99, 102, 241, 0.10),
                   0 2px 8px  rgba(0, 0, 0, 0.06);
  --shadow-input:  0 1px 3px  rgba(0, 0, 0, 0.05);
  --shadow-focus:  0 0 0 3px  var(--clr-primary-glow);
  --shadow-btn:    0 4px 14px rgba(99, 102, 241, 0.45);

  /* Transitions */
  --ease-ui:   cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast:  150ms;
  --dur-base:  220ms;
  --dur-slow:  350ms;
}


/* ─────────────────────────────────────────────────────────────
   2. Reset & Base
───────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  background: linear-gradient(135deg, var(--bg-from), var(--bg-via) 50%, var(--bg-to));
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-lg);
  position: relative;
  overflow-x: hidden;
  color: var(--clr-text-primary);
}


/* ─────────────────────────────────────────────────────────────
   3. Decorative Background Blobs
───────────────────────────────────────────────────────────── */
.bg-blob {
  position: fixed;
  border-radius: var(--radius-full);
  filter: blur(72px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  animation: blob-drift 12s ease-in-out infinite alternate;
}

.bg-blob--1 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #a5b4fc 0%, #6366f1 70%);
  top: -140px;
  left: -160px;
  animation-delay: 0s;
}

.bg-blob--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #c4b5fd 0%, #8b5cf6 70%);
  bottom: -120px;
  right: -100px;
  animation-delay: -6s;
}

@keyframes blob-drift {
  0%   { transform: scale(1)    translate(0,   0);      }
  50%  { transform: scale(1.08) translate(24px, -18px); }
  100% { transform: scale(0.96) translate(-16px, 12px); }
}

/* Respect reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .bg-blob { animation: none; }
}


/* ─────────────────────────────────────────────────────────────
   4. Page Wrapper
───────────────────────────────────────────────────────────── */
.page-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 448px;
  display: flex;
  flex-direction: column;
  align-items: center;
}


/* ─────────────────────────────────────────────────────────────
   5. Card — Glassmorphism
───────────────────────────────────────────────────────────── */
.card {
  width: 100%;
  padding: var(--sp-2xl) var(--sp-xl);
  background: var(--clr-surface);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  animation: card-in var(--dur-slow) var(--ease-ui) both;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}


/* ─────────────────────────────────────────────────────────────
   6. Brand / Logo lockup
───────────────────────────────────────────────────────────── */
.brand {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-xl);
}

.brand__logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--clr-primary), #8b5cf6);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.35);
}

.brand__name {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--clr-text-primary);
}


/* ─────────────────────────────────────────────────────────────
   7. Card Header
───────────────────────────────────────────────────────────── */
.card__header {
  margin-bottom: var(--sp-xl);
}

.card__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--clr-text-primary);
  line-height: 1.25;
  margin-bottom: var(--sp-xs);
}

.card__subtitle {
  font-size: 0.9375rem;
  color: var(--clr-text-secondary);
  line-height: 1.5;
}


/* ─────────────────────────────────────────────────────────────
   8. Flash Messages
───────────────────────────────────────────────────────────── */
.flash {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  padding: 12px var(--sp-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.45;
  margin-bottom: var(--sp-lg);
  animation: flash-in var(--dur-base) var(--ease-ui) both;
}

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

.flash svg {
  margin-top: 1px;
  flex-shrink: 0;
}

.flash--error {
  background-color: var(--clr-error-bg);
  color: var(--clr-error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.flash--success {
  background-color: var(--clr-success-bg);
  color: var(--clr-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}


/* ─────────────────────────────────────────────────────────────
   9. Form Layout
───────────────────────────────────────────────────────────── */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}


/* ─────────────────────────────────────────────────────────────
   10. Field Component
───────────────────────────────────────────────────────────── */
.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

/* ── Label ── */
.field__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--clr-text-primary);
  letter-spacing: 0.01em;
  user-select: none;
}

/* ── Label row: label + forgot link inline ── */
.field__label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-sm);
}

/* ── Forgot password link ── */
.field__forgot {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--clr-primary);
  text-decoration: none;
  position: relative;
  flex-shrink: 0;
  transition: color var(--dur-fast) var(--ease-ui);
}

.field__forgot::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--clr-primary);
  transition: width var(--dur-base) var(--ease-ui);
}

.field__forgot:hover {
  color: var(--clr-primary-dark);
}

.field__forgot:hover::after {
  width: 100%;
}

.field__forgot:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Input Wrapper (icon + input + optional toggle) ── */
.field__input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

/* ── Leading icon ── */
.field__icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-text-placeholder);
  pointer-events: none;
  transition: color var(--dur-fast) var(--ease-ui);
  flex-shrink: 0;
}

/* ── Input ── */
.field__input {
  width: 100%;
  padding: 13px 14px 13px 44px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--clr-text-primary);
  background: #fff;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-input);
  outline: none;
  transition:
    border-color var(--dur-fast) var(--ease-ui),
    box-shadow   var(--dur-fast) var(--ease-ui),
    background   var(--dur-fast) var(--ease-ui);
  -webkit-appearance: none;
  appearance: none;
}

/* Placeholder */
.field__input::placeholder {
  color: var(--clr-text-placeholder);
  font-weight: 400;
}

/* Password input extra right padding for toggle btn */
.field__input--password {
  padding-right: 48px;
}

/* ── Focus ── */
.field__input:focus {
  border-color: var(--clr-border-focus);
  box-shadow: var(--shadow-focus);
  background: #fff;
}

/* Icon tint when field is focused */
.field__input-wrap:focus-within .field__icon {
  color: var(--clr-primary);
}

/* ── Hover (not focused) ── */
.field__input:not(:focus):hover {
  border-color: #a5b4fc;
  background: var(--clr-surface-hover);
}

/* ── Visibility toggle button ── */
.field__toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--clr-text-placeholder);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition:
    color      var(--dur-fast) var(--ease-ui),
    background var(--dur-fast) var(--ease-ui);
}

.field__toggle:hover {
  color: var(--clr-primary);
  background: var(--clr-primary-light);
}

.field__toggle:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
}

/* Toggle icon visibility logic */
.toggle-icon--hide { display: none; }
.toggle-icon--show { display: block; }

.field__toggle.is-visible .toggle-icon--hide { display: block; }
.field__toggle.is-visible .toggle-icon--show { display: none;  }

/* ── Error text ── */
.field__error {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--clr-error);
  line-height: 1.4;
  min-height: 1em;
  display: block;
  animation: err-in var(--dur-fast) var(--ease-ui) both;
}

@keyframes err-in {
  from { opacity: 0; transform: translateY(-3px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ─────────────────────────────────────────────────────────────
   11. Field Validation States
───────────────────────────────────────────────────────────── */

/* ── Error state ── */
.field--error .field__input {
  border-color: var(--clr-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.field--error .field__input:focus {
  border-color: var(--clr-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18);
}

.field--error .field__icon {
  color: var(--clr-error);
}

/* ── Valid state ── */
.field--valid .field__input {
  border-color: var(--clr-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.field--valid .field__input:focus {
  border-color: var(--clr-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.18);
}

.field--valid .field__icon {
  color: var(--clr-success);
}


/* ─────────────────────────────────────────────────────────────
   12. Checkbox — "Keep me logged in"
   (login-only component; no equivalent in signup)
───────────────────────────────────────────────────────────── */

/* Remove the default column gap for the checkbox field */
.field--checkbox {
  gap: 0;
}

/* Outer label — full clickable row */
.checkbox {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  cursor: pointer;
  user-select: none;
}

/* Hide the native checkbox visually */
.checkbox__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Custom checkbox box */
.checkbox__box {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  background: #fff;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-input);
  transition:
    background     var(--dur-fast) var(--ease-ui),
    border-color   var(--dur-fast) var(--ease-ui),
    box-shadow     var(--dur-fast) var(--ease-ui);
}

/* Checkmark SVG hidden by default */
.checkbox__box svg {
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-ui);
}

/* Checked state */
.checkbox__input:checked + .checkbox__box {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-glow);
}

.checkbox__input:checked + .checkbox__box svg {
  opacity: 1;
}

/* Focus state (keyboard) */
.checkbox__input:focus-visible + .checkbox__box {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
}

/* Hover */
.checkbox:hover .checkbox__box {
  border-color: var(--clr-primary);
  background: var(--clr-primary-light);
}

/* Hover when already checked */
.checkbox:hover .checkbox__input:checked + .checkbox__box {
  background: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
}

/* Label text */
.checkbox__label {
  font-size: 0.875rem;
  color: var(--clr-text-secondary);
  line-height: 1.4;
}


/* ─────────────────────────────────────────────────────────────
   13. Submit Button
───────────────────────────────────────────────────────────── */
.btn-submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px var(--sp-lg);
  margin-top: var(--sp-xs);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dark) 100%);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition:
    transform     var(--dur-fast) var(--ease-ui),
    box-shadow    var(--dur-fast) var(--ease-ui),
    background    var(--dur-fast) var(--ease-ui),
    opacity       var(--dur-fast) var(--ease-ui);
  letter-spacing: 0.01em;
  overflow: hidden;
}

/* Shine sweep on hover */
.btn-submit::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255, 255, 255, 0.18) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 400ms var(--ease-ui);
}

.btn-submit:hover::after {
  transform: translateX(100%);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
}

.btn-submit:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

.btn-submit:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 3px;
}

.btn-submit:disabled {
  cursor: not-allowed;
  opacity: 0.7;
  transform: none;
  box-shadow: none;
}

/* ── Label / Spinner toggle ── */
.btn-submit__label {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.btn-submit__spinner {
  display: none;
  align-items: center;
  gap: var(--sp-sm);
}

/* Spinner rotation */
.btn-submit__spinner svg {
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg);   }
  to   { transform: rotate(360deg); }
}

/* Loading state */
.btn-submit.is-loading .btn-submit__label   { display: none; }
.btn-submit.is-loading .btn-submit__spinner { display: flex; }


/* ─────────────────────────────────────────────────────────────
   14. Card Footer & Signup Link
───────────────────────────────────────────────────────────── */
.card__footer {
  margin-top: var(--sp-lg);
  text-align: center;
  font-size: 0.875rem;
  color: var(--clr-text-secondary);
  line-height: 1.5;
}

.card__signup-link {
  color: var(--clr-primary);
  font-weight: 600;
  text-decoration: none;
  position: relative;
  transition: color var(--dur-fast) var(--ease-ui);
}

.card__signup-link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--clr-primary);
  transition: width var(--dur-base) var(--ease-ui);
}

.card__signup-link:hover {
  color: var(--clr-primary-dark);
}

.card__signup-link:hover::after {
  width: 100%;
}

.card__signup-link:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
  border-radius: 2px;
}


/* ─────────────────────────────────────────────────────────────
   15. Social Proof / Trust Signal
───────────────────────────────────────────────────────────── */
.social-proof {
  margin-top: var(--sp-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
}

.social-proof__divider {
  width: 100%;
  height: 1px;
  background: var(--clr-border);
}

.social-proof__text {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--clr-text-placeholder);
  font-weight: 500;
}

.social-proof__text svg {
  color: #94a3b8;
  flex-shrink: 0;
}


/* ─────────────────────────────────────────────────────────────
   16. Responsive — Mobile (<480px)
───────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  body {
    padding: var(--sp-md);
    align-items: flex-start;
    padding-top: var(--sp-xl);
  }

  .card {
    padding: var(--sp-xl) var(--sp-lg);
    border-radius: var(--radius-lg);
  }

  .card__title {
    font-size: 1.3125rem;
  }

  /* Reduce blob size on small screens */
  .bg-blob--1 { width: 300px; height: 300px; }
  .bg-blob--2 { width: 240px; height: 240px; }
}


/* ─────────────────────────────────────────────────────────────
   17. Accessibility — High Contrast Mode
───────────────────────────────────────────────────────────── */
@media (forced-colors: active) {
  .card {
    border: 2px solid ButtonText;
    background: Canvas;
  }

  .field__input {
    border: 2px solid ButtonText;
  }

  .checkbox__box {
    border: 2px solid ButtonText;
  }

  .btn-submit {
    border: 2px solid ButtonText;
  }
}


/* ─────────────────────────────────────────────────────────────
   18. Print — hide decorative elements
───────────────────────────────────────────────────────────── */
@media print {
  .bg-blob { display: none; }
  body { background: white; }
  .card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* ─────────────────────────────────────────────────────────────
   19. Shared header/footer partials
   The body is a centering flexbox, so it has to stack vertically
   once the site chrome is on the page. The card wrapper takes the
   remaining height and stays centered inside it.
───────────────────────────────────────────────────────────── */
body {
  flex-direction: column;
  padding: 0;
}

body > .navbar,
body > .site-footer {
  width: 100%;
  flex-shrink: 0;
}

.page-wrapper {
  flex: 1;
  justify-content: center;
  margin-inline: auto;
  padding: var(--sp-lg);
}