@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #f4f8fc;
  --panel: #ffffff;
  --ink: #0f2230;
  --muted: #587082;
  --line: #d6e3ef;
  --brand: #046582;
  --brand-2: #02a3a4;
  --accent: #ffe8b8;
  --ok: #0d7a56;
  --err: #a12626;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 8% 0%, #dff6ff 0%, transparent 45%), var(--bg);
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(30px);
  opacity: 0.45;
  pointer-events: none;
}

.orb-a {
  width: 280px;
  height: 280px;
  background: #8ee3f5;
  top: -60px;
  right: 8%;
}

.orb-b {
  width: 220px;
  height: 220px;
  background: #ffd7a6;
  bottom: 8%;
  left: -60px;
}

.app-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px;
  position: relative;
  z-index: 1;
  animation: reveal 500ms ease;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #5d788c;
  font-weight: 700;
}

h1 {
  margin: 6px 0 0;
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  font-weight: 800;
}

.status-pill {
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  color: #fff;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 700;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #315063;
}

.lang-switch select {
  padding: 6px 8px;
  font-size: 12px;
}

.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 16px;
}

.side-panel,
.workspace {
  background: color-mix(in srgb, var(--panel) 88%, #eaf6ff 12%);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(14, 39, 57, 0.08);
}

.side-panel {
  padding: 16px;
}

.side-panel h2 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.side-help {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-cards {
  display: grid;
  gap: 10px;
}

.form-card {
  margin-top: 0;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 12px;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.form-card:hover {
  transform: translateY(-1px);
  border-color: #8fc6de;
  box-shadow: 0 6px 16px rgba(10, 41, 64, 0.1);
}

.form-card.active {
  border-color: #58a9cb;
  background: linear-gradient(160deg, #f9fdff, #edf8ff);
}

.form-card-title {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.form-card-hint {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.workspace {
  padding: 18px;
}

.workspace-head {
  margin-bottom: 8px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

select,
input {
  border: 1px solid #c5d8e7;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  background: #fff;
}

input[type='number'] {
  font-variant-numeric: tabular-nums;
}

.form-hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 16px;
}

#letter-style-box {
  margin-top: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.switch-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.switch-row input {
  width: 16px;
  height: 16px;
}

button {
  margin-top: 12px;
  border: none;
  border-radius: 10px;
  padding: 11px 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, filter 140ms ease;
}

button + button {
  margin-left: 8px;
}

button:hover {
  transform: translateY(-1px);
  filter: saturate(1.05);
}

button:disabled {
  opacity: 0.7;
  cursor: wait;
}

button#download-btn {
  background: linear-gradient(135deg, #3c4f65, #6b8296);
}

hr {
  margin: 18px 0;
  border: 0;
  border-top: 1px solid #e2edf5;
}

.map-box {
  margin-top: 12px;
  padding: 12px;
  border: 1px dashed #a9c5da;
  border-radius: 12px;
  background: #f5fbff;
}

code {
  background: #e8f4ff;
  padding: 1px 6px;
  border-radius: 6px;
}

.message {
  margin-top: 12px;
  color: var(--ok);
  font-weight: 600;
}

.message.error {
  color: var(--err);
}

.preview-box {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 10px;
}

.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

#open-preview-tab-btn {
  margin: 0;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 12px;
}

#pdf-frame {
  width: 100%;
  height: 78vh;
  max-width: 100%;
  border: 1px solid #e5edf5;
  border-radius: 8px;
  background: #fafcfe;
}

.hidden {
  display: none;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
}