@import url('https://fonts.googleapis.com/css2?family=Lilita+One&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --blue: #1ea7e8;
  --blue-dark: #0f7fb8;
  --pink: #f7abc7;
  --pink-light: #fde3ec;
  --ink: #2f2b3a;
  --ink-soft: #6a6578;
  --bg: #fbfaff;
  --card: #ffffff;
  --border: #ece8f5;
  --success: #2fb380;
  --danger: #e0526b;
  --font-display: 'Lilita One', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 16px;
  --shadow: 0 8px 24px rgba(47, 43, 58, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
}

img { max-width: 100%; display: block; }

a { color: var(--blue-dark); }

button, input, select, textarea { font-family: inherit; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(251, 250, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.brand img { height: 40px; width: auto; }

.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--blue);
  letter-spacing: 0.5px;
}

/* Hero */
.hero {
  padding: 48px 0 32px;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 44px);
  color: var(--ink);
  margin: 0 0 12px;
  line-height: 1.15;
}

.hero h1 span { color: var(--blue); }

.hero p {
  color: var(--ink-soft);
  max-width: 560px;
  margin: 0 auto;
  font-size: 17px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 999px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 6px 16px rgba(30, 167, 232, 0.35); }
.btn-primary:hover:not(:disabled) { background: var(--blue-dark); }

.btn-outline { background: #fff; color: var(--ink); border: 1.5px solid var(--border); }
.btn-outline:hover:not(:disabled) { border-color: var(--blue); color: var(--blue-dark); }

.btn-ghost { background: transparent; color: var(--ink-soft); padding: 10px 16px; }
.btn-ghost:hover:not(:disabled) { color: var(--ink); }

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-danger { background: var(--danger); color: #fff; }

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 140px;
  min-width: 120px;
}

.field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.field input, .field select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: #fff;
  font-size: 14px;
  color: var(--ink);
}

.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--blue);
}

/* Quick shortcuts row */
.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.chip {
  border: 1.5px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  color: var(--ink-soft);
}

.chip:hover { border-color: var(--blue); color: var(--blue-dark); }
.chip.active { background: var(--blue); border-color: var(--blue); color: #fff; }

/* Results toolbar */
.results-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.results-count { color: var(--ink-soft); font-size: 14px; }

.select-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* Paper grid */
.paper-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.paper-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow);
  position: relative;
}

.paper-card .paper-check {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 20px;
  height: 20px;
  accent-color: var(--blue);
}

.paper-badge {
  display: inline-block;
  align-self: flex-start;
  background: var(--pink-light);
  color: #b8547c;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 4px 10px;
}

.paper-card h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.3;
  padding-right: 20px;
}

.paper-meta {
  font-size: 13px;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
}

.paper-actions { margin-top: auto; display: flex; gap: 8px; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-soft);
}

/* Gate modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(47, 43, 58, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal {
  background: #fff;
  border-radius: 20px;
  padding: 28px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 60px rgba(47, 43, 58, 0.25);
  max-height: 90vh;
  overflow-y: auto;
}

.modal h2 {
  font-family: var(--font-display);
  color: var(--blue);
  font-size: 26px;
  margin: 0 0 6px;
}

.modal p.modal-sub { color: var(--ink-soft); margin: 0 0 20px; font-size: 14px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .field.full { grid-column: 1 / -1; }

.form-error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 4px;
  min-height: 18px;
}

.modal-actions { margin-top: 16px; }
.modal-actions .btn { width: 100%; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  margin-top: 40px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 13px;
}

.site-footer .hidden-trigger {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: transparent;
  cursor: default;
  margin-left: 8px;
  vertical-align: middle;
}

/* Admin page */
.admin-shell { max-width: 720px; margin: 0 auto; padding: 40px 20px; }

.admin-lock {
  max-width: 360px;
  margin: 80px auto;
  text-align: center;
}

.admin-lock .field { text-align: left; margin-bottom: 16px; }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  color: var(--ink-soft);
  cursor: pointer;
  background: #fff;
}

.dropzone.dragover { border-color: var(--blue); background: var(--pink-light); }

.review-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 20px;
  box-shadow: var(--shadow);
}

.ai-note {
  font-size: 13px;
  color: var(--ink-soft);
  background: var(--pink-light);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 14px;
}

.admin-table { width: 100%; border-collapse: collapse; margin-top: 24px; font-size: 13px; }
.admin-table th, .admin-table td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); }
.admin-table th { color: var(--ink-soft); font-weight: 600; }

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 200;
  box-shadow: var(--shadow);
}

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .field { min-width: 0; flex: 1 1 auto; }
  .results-toolbar { flex-direction: column; align-items: stretch; }
  .paper-grid { grid-template-columns: 1fr; }
  .brand img { height: 32px; }
  .brand-name { font-size: 18px; }
}