/* ─────────────────────────────────────────
   Picuick Login - Centered Card
   ───────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  /* Previous rose defaults, kept for quick rollback:
  --rose-50: #FFF1F2;
  --rose-100: #FFE4E6;
  --rose-500: #F43F5E;
  --rose-600: #E11D48;
  --rose-700: #BE123C;
  --rose-rgb: 225, 29, 72;
  */
  --rose-50: #F5F3FF;
  --rose-100: #EDE9FE;
  --rose-500: #5B4AA6;
  --rose-600: #3E2F78;
  --rose-700: #352867;
  --rose-rgb: 62, 47, 120;
  --stone-50: #FAFAF9;
  --stone-100: #F5F5F4;
  --stone-200: #E7E5E4;
  --stone-300: #D6D3D1;
  --stone-400: #A8A29E;
  --stone-500: #78716C;
  --stone-600: #57534E;
  --stone-700: #44403C;
  --stone-800: #292524;
  --stone-900: #1C1917;
}

html {
  font-family: 'Rubik', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  color: var(--stone-900);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  line-height: 1.6;
  background: var(--stone-100);
  -webkit-user-select: none;
  user-select: none;
}

input {
  -webkit-user-select: text;
  user-select: text;
}

input, button { font: inherit; color: inherit; }
button { cursor: pointer; }

/* ── Page layout ── */
.login-page {
  position: relative;
  display: grid;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 4.5rem 1.5rem;
}

/* ── Top bar ── */
.top-bar {
  position: fixed;
  inset-block-start: 0;
  inset-inline-end: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 1.5rem;
  z-index: 10;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.125rem;
  height: 2.125rem;
  border: 1px solid var(--stone-200);
  border-radius: 9999px;
  background: #fff;
  color: var(--stone-500);
  font-size: 0.875rem;
  transition: background 150ms, color 150ms, border-color 150ms;
  box-shadow: 0 1px 3px rgba(28, 25, 23, 0.04);
}
.theme-toggle:hover {
  background: var(--stone-50);
  color: var(--stone-700);
  border-color: var(--stone-300);
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--stone-200);
  border-radius: 9999px;
  background: #fff;
  color: var(--stone-500);
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 150ms, color 150ms, border-color 150ms;
  box-shadow: 0 1px 3px rgba(28, 25, 23, 0.04);
}
.lang-toggle:hover {
  background: var(--stone-50);
  color: var(--stone-700);
  border-color: var(--stone-300);
}

/* ── Login card ── */
.login-card {
  width: 100%;
  max-width: 26rem;
  padding: 2.5rem 2rem;
  background: #FFFFFF;
  border-radius: 1.25rem;
  border: 1px solid var(--stone-200);
  box-shadow:
    0 1px 3px rgba(28, 25, 23, 0.04),
    0 8px 24px rgba(28, 25, 23, 0.06);
}

/* ── Logo ── */
.card-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-block-end: 2rem;
}

.brand-logo {
  display: block;
  inline-size: min(12.5rem, 72%);
  block-size: auto;
}

/* ── Card header ── */
.card-header {
  text-align: center;
  margin-block-end: 2rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--stone-900);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.card-subtitle {
  margin-block-start: 0.5rem;
  font-size: 0.9375rem;
  color: var(--stone-500);
  line-height: 1.5;
}

/* ── Fields ── */
.field {
  margin-block-end: 1.25rem;
}

.field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--stone-700);
  margin-block-end: 0.5rem;
}

.field-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: 0.5rem;
}

.field-header label {
  margin-block-end: 0;
}

.input-wrap {
  position: relative;
}

.input-icon {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 1rem;
  transform: translateY(-50%);
  color: var(--stone-400);
  font-size: 0.875rem;
  pointer-events: none;
  transition: color 150ms;
}

.input-wrap:focus-within .input-icon {
  color: var(--rose-500);
}

.field input {
  display: block;
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  padding-inline-start: 2.75rem;
  border: 1.5px solid var(--stone-200);
  border-radius: 0.75rem;
  font-size: 1rem;
  background: #fff;
  color: var(--stone-900);
  transition: border-color 150ms, box-shadow 150ms, background 150ms;
}

.field input:not(:disabled):not(:focus):hover {
  border-color: var(--stone-300);
}

.field input:focus {
  outline: none;
  border-color: var(--rose-500);
  box-shadow: 0 0 0 3px rgba(var(--rose-rgb), 0.08);
  background: #fff;
}

.field input::placeholder {
  color: var(--stone-400);
}

.terms-check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.625rem;
  align-items: start;
  margin-block: 0.75rem 1.25rem;
  margin-inline: auto;
  inline-size: fit-content;
  max-inline-size: 100%;
  color: var(--stone-600);
  font-size: 0.8125rem;
  line-height: 1.45;
  cursor: pointer;
}

.terms-check input {
  width: 1rem;
  height: 1rem;
  margin-block-start: 0.125rem;
  accent-color: var(--rose-600);
  cursor: pointer;
}

.terms-text {
  text-align: center;
}

.terms-link {
  color: var(--rose-600);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  font-weight: 700;
}

.terms-link:hover,
.terms-link:focus-visible {
  color: var(--rose-700);
}

/* ── Submit button ── */
.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  margin-block-start: 0.5rem;
  background: var(--rose-600);
  color: #fff;
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  transition: opacity 150ms, transform 80ms, box-shadow 150ms;
  box-shadow: none;
}
.btn-submit:hover {
  opacity: 0.92;
}
.btn-submit:active {
  transform: scale(0.98);
}
.btn-submit:disabled {
  background: var(--stone-300);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.btn-icon {
  font-size: 0.8125rem;
  transition: transform 150ms;
}
.btn-submit:hover .btn-icon {
  transform: translateX(-3px);
}
[dir="ltr"] .btn-submit:hover .btn-icon {
  transform: translateX(3px);
}

/* ── Links ── */
.link-accent {
  background: none;
  border: none;
  color: var(--rose-600);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 0.15em;
  transition: color 150ms;
}
.link-accent:hover {
  color: var(--rose-700);
}

.link-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-block-start: 1.5rem;
  background: none;
  border: none;
  color: var(--stone-500);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0;
  transition: color 150ms;
}
.link-back:hover {
  color: var(--stone-900);
}

/* ── Alerts ── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  margin-block-end: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
}
.alert-error {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #DC2626;
}
.alert-success {
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  color: #065F46;
}

/* ── Loading spinner ── */
.btn-submit.loading {
  color: transparent;
  position: relative;
}
.btn-submit.loading .btn-icon { display: none; }
.btn-submit.loading::after {
  content: '';
  position: absolute;
  inset-inline-start: 50%;
  inset-block-start: 50%;
  width: 1.25rem;
  height: 1.25rem;
  margin-inline-start: -0.625rem;
  margin-block-start: -0.625rem;
  border: 2.5px solid rgba(255,255,255,0.3);
  border-inline-start-color: #fff;
  border-radius: 9999px;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ── */
.footer-text {
  position: absolute;
  inset-inline: 1.5rem;
  inset-block-end: 1.5rem;
  font-size: 0.8125rem;
  text-align: center;
  color: var(--stone-400);
}

/* ═══════ Dark theme ═══════ */
[data-theme="dark"] {
  --stone-50: #1C1917;
  --stone-100: #292524;
  --stone-200: #44403C;
  --stone-300: #57534E;
  --stone-400: #78716C;
  --stone-500: #A8A29E;
  --stone-600: #D6D3D1;
  --stone-700: #E7E5E4;
  --stone-800: #F5F5F4;
  --stone-900: #FAFAF9;
}

[data-theme="dark"] body {
  background: #0C0A09;
}

[data-theme="dark"] .login-card {
  background: #1C1917;
  border-color: #292524;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3), 0 8px 24px rgba(0,0,0,0.3);
}

[data-theme="dark"] .field input {
  background: #0C0A09;
  border-color: #44403C;
}

[data-theme="dark"] .field input:focus {
  background: #1C1917;
}

[data-theme="dark"] .theme-toggle,
[data-theme="dark"] .lang-toggle {
  background: #1C1917;
  border-color: #44403C;
  color: #A8A29E;
}

[data-theme="dark"] .theme-toggle:hover,
[data-theme="dark"] .lang-toggle:hover {
  background: #292524;
  color: #E7E5E4;
}

[data-theme="dark"] .footer-text {
  color: #57534E;
}

[data-theme="dark"] .terms-link,
[data-theme="dark"] .terms-link:hover,
[data-theme="dark"] .terms-link:focus-visible,
[data-theme="dark"] .link-accent,
[data-theme="dark"] .link-accent:hover,
[data-theme="dark"] .link-accent:focus-visible {
  color: #c88448;
}

/* ═══════ Desktop (768px+) ═══════ */
@media (min-width: 768px) {
  .login-card {
    padding: 3rem 2.5rem;
    max-width: 28rem;
  }
}

/* ═══════ Large desktop ═══════ */
@media (min-width: 1024px) {
  .login-card {
    padding: 3.5rem 3rem;
  }
}