/* login.css
   Dedicated styles for login.html and en/login.html.
   Keeps technical flow unchanged, improves clarity and responsive readability.
*/

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

html {
  overflow-x: clip;
}

body {
  overflow-x: hidden;
}

.login-page {
  --login-bg: #f4f8ff;
  --login-bg-soft: rgba(255, 255, 255, 0.84);
  --login-card: rgba(255, 255, 255, 0.96);
  --login-border: rgba(15, 23, 42, 0.12);
  --login-border-soft: rgba(15, 23, 42, 0.08);
  --login-text: #0f172a;
  --login-muted: #334155;
  --login-brand: #1e40af;
  --login-brand-soft: rgba(37, 99, 235, 0.12);
  --login-ok: #15803d;
  --login-error: #b91c1c;
  --login-shadow: 0 18px 42px rgba(15, 23, 42, 0.12);
  --login-shadow-soft: 0 10px 22px rgba(15, 23, 42, 0.08);
  --login-radius-lg: 24px;
  --login-radius-md: 16px;
  --login-radius-sm: 12px;

  color: var(--login-text);
  background: var(--login-bg);
  font-size: 16px;
}

[data-theme="dark"] .login-page {
  --login-bg: #0b1220;
  --login-bg-soft: rgba(15, 23, 42, 0.62);
  --login-card: rgba(15, 23, 42, 0.8);
  --login-border: rgba(148, 163, 184, 0.28);
  --login-border-soft: rgba(148, 163, 184, 0.2);
  --login-text: #e2e8f0;
  --login-muted: #cbd5e1;
  --login-brand: #8fb5ff;
  --login-brand-soft: rgba(96, 165, 250, 0.2);
  --login-ok: #4ade80;
  --login-error: #fb7185;
  --login-shadow: 0 22px 46px rgba(2, 6, 23, 0.48);
  --login-shadow-soft: 0 12px 28px rgba(2, 6, 23, 0.34);
}

.login-hero.fs-hero-shell {
  padding: clamp(22px, 3.6vw, 46px) 0 clamp(18px, 3vw, 28px);
  background:
    radial-gradient(1200px 360px at 50% -10%, rgba(255, 255, 255, 0.35), transparent 60%),
    linear-gradient(to right, #1e40af, #2a4ba7);
}

[data-theme="dark"] .login-hero.fs-hero-shell {
  background:
    radial-gradient(1100px 320px at 50% -10%, rgba(147, 197, 253, 0.1), transparent 56%),
    linear-gradient(135deg, #18345f 0%, #12284c 58%, #0d1d38 100%);
}

.login-hero-inner,
.login-shell {
  width: min(1060px, calc(100% - 24px));
  margin: 0 auto;
}

.login-hero-inner {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.login-card.fs-hero-card {
  background: var(--login-card);
  border: 1px solid var(--login-border);
  border-radius: var(--login-radius-lg);
  box-shadow: var(--login-shadow);
  padding: clamp(16px, 2.8vw, 30px);
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.login-intro {
  text-align: center;
  width: 100%;
  margin: 0;
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--login-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
  background:
    radial-gradient(1200px 360px at 50% -10%, rgba(255, 255, 255, 0.2), transparent 62%),
    linear-gradient(to right, #1e40af, #2a4ba7);
  color: #ffffff;
}

[data-theme="dark"] .login-intro {
  border-color: rgba(191, 219, 254, 0.16);
  background:
    radial-gradient(1100px 320px at 50% -10%, rgba(147, 197, 253, 0.1), transparent 56%),
    linear-gradient(135deg, #18345f 0%, #12284c 58%, #0d1d38 100%);
}

.login-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  font-weight: 750;
  letter-spacing: 0.01em;
  font-size: 0.82rem;
  padding: 6px 12px;
}

.login-intro h1 {
  margin: 10px 0 8px;
  color: #ffffff;
  font-size: clamp(1.46rem, 1.3rem + 0.95vw, 2.02rem);
  line-height: 1.18;
}

.login-lead {
  margin: 0 auto;
  max-width: 74ch;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.02rem);
  line-height: 1.55;
  opacity: 1;
}

.commit-list {
  list-style: none;
  margin: 14px auto 0;
  padding: 0;
  max-width: 760px;
  display: grid;
  gap: 8px;
  text-align: left;
}

.commit-list li {
  position: relative;
  margin: 0;
  padding: 10px 12px 10px 32px;
  border-radius: var(--login-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  font-size: 0.94rem;
  line-height: 1.42;
}

.commit-list li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 14px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #86efac, #bfdbfe);
}

.shared-email {
  border: 1px solid var(--login-border);
  border-radius: var(--login-radius-md);
  padding: clamp(12px, 2vw, 18px);
  background: var(--login-bg-soft);
  display: grid;
  gap: 8px;
  max-width: 920px;
  margin: 0 auto;
}

.shared-email label,
.login-form label {
  margin: 0;
  color: var(--login-text);
  font-size: 0.9rem;
  font-weight: 700;
}

.shared-email input,
.login-form input {
  width: 100%;
  border-radius: 11px;
  border: 1px solid var(--login-border);
  background: #ffffff;
  color: #0f172a;
  font-size: 0.96rem;
  line-height: 1.3;
  padding: 11px 12px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

[data-theme="dark"] .shared-email input,
[data-theme="dark"] .login-form input {
  background: rgba(15, 23, 42, 0.75);
  color: #e2e8f0;
  border-color: rgba(148, 163, 184, 0.4);
}

.shared-email input::placeholder,
.login-form input::placeholder {
  color: rgba(71, 85, 105, 0.78);
}

[data-theme="dark"] .shared-email input::placeholder,
[data-theme="dark"] .login-form input::placeholder {
  color: rgba(148, 163, 184, 0.9);
}

.shared-email input:focus-visible,
.login-form input:focus-visible,
.tab-btn:focus-visible,
.btn:focus-visible,
.remember-label input:focus-visible {
  outline: none;
  border-color: rgba(59, 130, 246, 0.72);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.email-help,
.mini-help,
.muted,
.login-help {
  margin: 0;
  color: var(--login-muted);
}

.email-help,
.mini-help {
  font-size: 0.9rem;
  line-height: 1.45;
}

.email-preview {
  border: 1px dashed var(--login-border);
  border-radius: var(--login-radius-sm);
  background: rgba(255, 255, 255, 0.66);
  padding: 9px 11px;
  display: grid;
  gap: 3px;
}

[data-theme="dark"] .email-preview {
  background: rgba(15, 23, 42, 0.55);
}

.email-preview-label {
  color: var(--login-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.email-preview-value {
  color: var(--login-text);
  font-size: 0.93rem;
  font-weight: 700;
  word-break: break-word;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
  padding: 7px;
  border-radius: var(--login-radius-md);
  border: 1px solid var(--login-border);
  background: var(--login-bg-soft);
  max-width: 920px;
  margin: 0 auto;
}

.tab-btn {
  appearance: none;
  border: 1px solid var(--login-border);
  border-radius: 11px;
  background: transparent;
  color: var(--login-muted);
  font: inherit;
  font-size: 0.94rem;
  font-weight: 700;
  padding: 10px 12px;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.tab-btn[aria-selected="true"] {
  color: var(--login-brand);
  border-color: rgba(59, 130, 246, 0.42);
  background: rgba(59, 130, 246, 0.12);
}

.tab-panels {
  display: grid;
  gap: 12px;
  max-width: 920px;
  margin: 0 auto;
}

.tab-panel[hidden] {
  display: none !important;
}

.step-card {
  border: 1px solid var(--login-border);
  border-radius: var(--login-radius-md);
  background: var(--login-bg-soft);
  padding: clamp(12px, 1.8vw, 16px);
  display: grid;
  gap: 10px;
}

.step-card--collapsed {
  background: transparent;
}

.step-card--collapsed .login-form {
  display: none;
}

.step-head {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
}

.step-num {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--login-brand);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 10px 18px rgba(30, 64, 175, 0.28);
}

.step-title h2 {
  margin: 0;
  color: var(--login-text);
  font-size: 1rem;
  line-height: 1.26;
}

.step-title .muted {
  margin-top: 2px;
  font-size: 0.9rem;
  line-height: 1.42;
}

.pricing-grid {
  display: grid;
  gap: 10px;
}

.price-card {
  position: relative;
  display: block;
  border: 1px solid var(--login-border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  padding: 10px;
  cursor: pointer;
  transition: border-color 0.16s ease, transform 0.14s ease, box-shadow 0.18s ease;
}

[data-theme="dark"] .price-card {
  background: rgba(15, 23, 42, 0.56);
}

.price-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--login-shadow-soft);
}

.price-card input {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.price-card-body {
  border-radius: 10px;
}

.price-card:has(input:checked) {
  border-color: rgba(59, 130, 246, 0.52);
  background: rgba(59, 130, 246, 0.14);
}

.price-card--highlight:has(input:checked) {
  border-color: rgba(34, 197, 94, 0.5);
  background: rgba(34, 197, 94, 0.12);
}

.price-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  color: var(--login-text);
  margin-bottom: 6px;
}

.price-title strong {
  font-size: 0.98rem;
}

.pill {
  font-size: 0.74rem;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid rgba(59, 130, 246, 0.28);
  background: rgba(59, 130, 246, 0.12);
  color: var(--login-brand);
  padding: 4px 8px;
}

.pill--save {
  border-color: rgba(34, 197, 94, 0.32);
  background: rgba(34, 197, 94, 0.14);
  color: #15803d;
}

.price-value {
  color: var(--login-text);
  font-size: clamp(1.3rem, 1.15rem + 0.66vw, 1.66rem);
  font-weight: 800;
  line-height: 1.14;
}

.price-value span,
.price-note {
  color: var(--login-muted);
  font-size: 0.88rem;
}

.price-note {
  margin: 4px 0 0;
  line-height: 1.38;
}

.login-form {
  display: grid;
  gap: 9px;
}

#code {
  letter-spacing: 0.03em;
}

.login-remember {
  margin: 2px 0 0;
}

.remember-label {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--login-border-soft);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.62);
  padding: 10px 11px;
  cursor: pointer;
}

[data-theme="dark"] .remember-label {
  background: rgba(15, 23, 42, 0.56);
}

.remember-label input {
  width: 17px;
  height: 17px;
  margin: 0;
}

.remember-text {
  color: var(--login-text);
  font-size: 0.9rem;
  line-height: 1.35;
  font-weight: 600;
}

.btn-block {
  width: 100%;
}

.btn {
  text-decoration: none;
}

.login-message {
  margin: 0;
  min-height: 1.2em;
  color: var(--login-muted);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.36;
}

.login-message[data-state="error"] {
  color: var(--login-error);
}

.login-message[data-state="ok"] {
  color: var(--login-ok);
}

.login-help {
  font-size: 0.88rem;
}

.login-contact {
  color: var(--login-brand);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.login-contact:hover {
  text-decoration-thickness: 2px;
}

.free-access-note {
  border: 1px solid var(--login-border);
  border-radius: var(--login-radius-md);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(14, 116, 144, 0.08));
  padding: clamp(12px, 2vw, 18px);
  display: grid;
  gap: 8px;
  max-width: 920px;
  margin: 0 auto;
}

[data-theme="dark"] .free-access-note {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.14), rgba(20, 184, 166, 0.12));
}

.free-access-note h2 {
  margin: 0;
  color: var(--login-text);
  font-size: clamp(1.02rem, 0.95rem + 0.42vw, 1.24rem);
}

.free-access-note p {
  margin: 0;
  color: var(--login-muted);
  font-size: 0.93rem;
  line-height: 1.48;
}

.free-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.trust-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  max-width: 920px;
  margin: 0 auto;
}

.trust-item {
  border: 1px solid var(--login-border-soft);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.66);
  color: var(--login-text);
  font-size: 0.88rem;
  line-height: 1.36;
  font-weight: 650;
  padding: 9px 10px;
}

[data-theme="dark"] .trust-item {
  background: rgba(15, 23, 42, 0.6);
}

.faq {
  padding: clamp(10px, 2vw, 20px) 0 clamp(24px, 4vw, 40px);
  background: transparent;
}

.faq h2 {
  margin: 0 0 10px;
  text-align: center;
  color: var(--login-text);
  font-size: clamp(1.04rem, 0.96rem + 0.44vw, 1.3rem);
}

.faq-item {
  border: 1px solid var(--login-border);
  border-radius: 12px;
  background: var(--login-card);
  box-shadow: var(--login-shadow-soft);
  padding: 10px 12px;
  margin: 8px 0;
}

.faq-item summary {
  cursor: pointer;
  color: var(--login-text);
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.35;
}

.faq-item p {
  margin: 9px 0 0;
  color: var(--login-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

@media (min-width: 680px) {
  .tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .free-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 779px) {
  .login-hero-inner,
  .login-shell {
    width: min(1060px, calc(100% - 12px));
  }

  .login-intro {
    padding: 18px 14px;
    border-radius: 20px;
  }

  .login-lead,
  .commit-list {
    max-width: none;
  }
}

@media (min-width: 1024px) {
  .login-hero-inner,
  .login-shell {
    width: min(1120px, calc(100% - 40px));
  }

  .login-card.fs-hero-card {
    padding: clamp(20px, 2.4vw, 34px);
    grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
    grid-template-areas:
      "tabs shared"
      "panels shared"
      "panels free"
      "trust trust";
    align-items: start;
    column-gap: clamp(14px, 2vw, 24px);
    row-gap: clamp(12px, 1.6vw, 18px);
  }

  .tabs {
    grid-area: tabs;
    max-width: 100%;
  }

  .shared-email {
    grid-area: shared;
    max-width: 100%;
    position: sticky;
    top: 82px;
  }

  .tab-panels {
    grid-area: panels;
    max-width: 100%;
  }

  .free-access-note {
    grid-area: free;
    max-width: 100%;
  }

  .trust-row {
    grid-area: trust;
    max-width: 100%;
  }

  .step-card {
    padding: 16px;
  }

  .trust-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .login-shell {
    width: min(100%, calc(100% - 14px));
  }

  .login-card.fs-hero-card {
    border-radius: 18px;
    padding: 12px;
  }

  .step-head {
    grid-template-columns: 30px 1fr;
    gap: 8px;
  }

  .step-num {
    width: 30px;
    height: 30px;
    font-size: 0.82rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0s !important;
    animation-duration: 0s !important;
    scroll-behavior: auto !important;
  }
}