:root {
  --ink: #14213d;
  --ink-soft: #4a5573;
  --muted: #6b7489;
  --paper: #f7f4ee;
  --card: #ffffff;
  --line: #e4ded2;
  --accent: #e4572e;
  --accent-ink: #ffffff;
  --accent-soft: #fde8e1;
  --success: #1f7a4d;
  --danger: #c0392b;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(20, 33, 61, 0.06), 0 8px 24px rgba(20, 33, 61, 0.06);
  --font: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
    'Noto Sans', 'Noto Sans Arabic', Tahoma, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef1f7;
    --ink-soft: #c3c9d6;
    --muted: #96a0b5;
    --paper: #10141f;
    --card: #181e2c;
    --line: #2a3246;
    --accent-soft: #3a1f17;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0;
}

img {
  max-width: 100%;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 18px 0;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 20px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.muted {
  color: var(--muted);
}
.small {
  font-size: 0.85rem;
}
.center {
  text-align: center;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.brand:hover {
  text-decoration: none;
}
.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 9px);
  gap: 3px;
  padding: 5px;
  border-radius: 8px;
  background: var(--ink);
}
.brand-mark i {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--paper);
}
.brand-mark i:last-child {
  border-radius: 50%;
  background: var(--accent);
}
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.nav-link {
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
}
.nav-link:hover {
  color: var(--ink);
  background: var(--card);
  text-decoration: none;
}
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft);
  padding-inline-start: 8px;
  margin-inline-start: 4px;
  border-inline-start: 1px solid var(--line);
}
.lang-switch select {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 6px 2px;
  cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 11px 18px;
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.1;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease, opacity 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover {
  text-decoration: none;
}
.btn:active:not(:disabled) {
  transform: translateY(1px);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 88%, black);
}
.btn-dark {
  background: var(--ink);
  color: var(--paper);
}
.btn-ghost {
  background: var(--card);
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover:not(:disabled) {
  border-color: var(--ink-soft);
}
.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
}
.btn-link {
  background: none;
  color: var(--muted);
  padding: 8px;
  font-weight: 600;
}
.btn-link:hover {
  color: var(--ink);
}
.btn-sm {
  padding: 8px 12px;
  font-size: 0.85rem;
}
.btn-block {
  width: 100%;
}

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 32px;
}
.eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
}
.hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: 18ch;
}
.lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 16px 0 0;
}

/* ---------- Generator ---------- */
.generator {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  align-items: start;
  padding-bottom: 48px;
}
.generator-controls {
  display: grid;
  gap: 16px;
}
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.step {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.8rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 16px;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}
.field > span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.field.check {
  display: flex;
  align-items: center;
  gap: 10px;
  align-self: end;
  min-height: 44px;
}
.field.check input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

input[type='text'],
input[type='email'],
input[type='password'],
select {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  min-height: 44px;
}
input:focus-visible,
select:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.input-lg {
  font-size: 1.1rem !important;
  padding: 14px 16px !important;
}
input[aria-invalid='true'] {
  border-color: var(--danger);
}
input[type='range'] {
  width: 100%;
  accent-color: var(--accent);
}

.color-input {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  padding: 5px 10px 5px 5px;
  min-height: 44px;
}
[dir='rtl'] .color-input {
  padding: 5px 5px 5px 10px;
}
.color-input input[type='color'] {
  width: 34px;
  height: 32px;
  border: 0;
  padding: 0;
  border-radius: 6px;
  background: none;
  cursor: pointer;
}
.color-input code {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-transform: uppercase;
}
.color-field.is-disabled {
  opacity: 0.45;
}

.hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin: -6px 0 12px;
}
.hint.error {
  color: var(--danger);
}
.hint.success {
  color: var(--success);
  margin-top: 10px;
}

.logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.file-btn {
  cursor: pointer;
}
.logo-thumb {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.generator-preview {
  position: sticky;
  top: 84px;
}
.preview-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.preview-frame {
  display: grid;
  place-items: center;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--line);
}
.checker {
  background-color: #fff;
  background-image: linear-gradient(45deg, #eee 25%, transparent 25%),
    linear-gradient(-45deg, #eee 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #eee 75%),
    linear-gradient(-45deg, transparent 75%, #eee 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
.qr-preview {
  max-width: 100%;
  transition: opacity 0.2s ease, filter 0.2s ease;
}
.qr-preview svg,
.qr-preview canvas {
  display: block;
  max-width: 100%;
  height: auto;
}
.qr-preview.is-muted {
  opacity: 0.25;
  filter: grayscale(1);
}
.preview-caption {
  text-align: center;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 12px 0 18px;
  overflow-wrap: anywhere;
}
.download-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.download-row .btn-primary {
  grid-column: 1 / -1;
}

/* ---------- Features ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-bottom: 72px;
}
.feature {
  padding: 22px;
  border-top: 2px solid var(--ink);
}
.feature-num {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 700;
}
.feature h3 {
  margin: 8px 0;
  font-size: 1.1rem;
}
.feature p {
  margin: 0;
  color: var(--ink-soft);
}

/* ---------- Auth ---------- */
.auth-wrap {
  display: grid;
  place-items: center;
  padding-block: 56px;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.auth-card h1 {
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}
.auth-card > .muted {
  margin: 6px 0 22px;
}
.auth-card form .hint {
  margin-top: -8px;
}
.auth-card form .btn {
  margin-top: 6px;
}
.auth-card > p.center {
  margin: 20px 0 0;
}

/* ---------- Dashboard ---------- */
.dashboard {
  padding-block: 40px 72px;
}
.dashboard-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.dashboard-head h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
}
.dashboard-head .muted {
  margin: 4px 0 0;
}
.empty {
  text-align: center;
  padding: 56px 20px;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
}
.empty p {
  margin: 0 0 16px;
  color: var(--ink-soft);
}
.code-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr));
  gap: 16px;
}
.code-card {
  display: flex;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.code-qr {
  flex: none;
  display: grid;
  place-items: center;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--line);
  align-self: start;
}
.code-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.code-body h3 {
  font-size: 1.05rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.code-url {
  font-size: 0.85rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.code-body .muted {
  margin: 0 0 8px;
}
.code-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */
.generator > *,
.grid-2 > * {
  min-width: 0;
}

@media (max-width: 900px) {
  .generator {
    grid-template-columns: minmax(0, 1fr);
  }
  .generator {
    gap: 16px;
  }
  /* Phone order: link → preview → style → logo */
  .generator-controls {
    display: contents;
  }
  .generator-controls > .panel:first-child {
    order: 1;
  }
  .generator-preview {
    position: static;
    order: 2;
  }
  .generator-controls > .panel:not(:first-child) {
    order: 3;
  }
  .features {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 560px) {
  .container {
    padding-inline: 16px;
  }
  .hero {
    padding-top: 36px;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .panel,
  .preview-card,
  .auth-card {
    padding: 18px;
  }
  .nav-link {
    padding: 6px 8px;
  }
  .header-inner {
    padding-block: 8px;
    row-gap: 4px;
  }
  .nav .nav-link:first-child {
    display: none; /* the logo already links to the generator */
  }
  .lang-switch {
    border-inline-start: 0;
    padding-inline-start: 0;
  }
  .download-row {
    grid-template-columns: 1fr 1fr;
  }
  .download-row .btn-primary {
    grid-column: 1 / -1;
  }
  .field.inline {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .code-card {
    flex-direction: column;
  }
  .code-qr {
    align-self: center;
  }
}

[hidden] {
  display: none !important;
}