/* ====================================================
   Research Results Portal — Shared Stylesheet
   ==================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,500;0,600;0,700;1,500&family=Lato:wght@300;400;700&display=swap');

:root {
  --forest:  #163324;
  --leaf:    #2a5c3f;
  --gold:    #b08228;
  --gold-lt: #d4a843;
  --cream:   #f9f6ef;
  --paper:   #ffffff;
  --ink:     #1e1e1e;
  --muted:   #5a5a4e;
  --border:  #d8d0be;
  --shadow:  rgba(22,51,36,0.10);
  --red:     #c0392b;
  --green:   #2e7d52;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Lato', sans-serif;
  background: var(--cream);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- HEADER ---- */
header {
  background: var(--forest);
  color: #fff;
  padding: 0 2rem;
  box-shadow: 0 2px 10px var(--shadow);
}
.header-inner {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  gap: 1rem;
}
.site-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--gold-lt);
  text-decoration: none;
  letter-spacing: 0.03em;
}
.site-logo span {
  font-weight: 300;
  opacity: 0.7;
  font-size: 0.9rem;
  margin-left: 0.5rem;
}
.header-links { display: flex; gap: 0.25rem; }
.header-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  transition: all 0.2s;
}
.header-links a:hover { background: rgba(255,255,255,0.1); color: #fff; }
.header-links a.active { background: rgba(255,255,255,0.15); color: #fff; }

/* ---- MAIN ---- */
main { flex: 1; max-width: 980px; margin: 0 auto; width: 100%; padding: 2.5rem 2rem; }

/* ---- PAGE TITLE ---- */
.page-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--forest);
  margin-bottom: 0.35rem;
}
.page-sub {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

/* ---- RESULT LIST ---- */
.result-list { display: flex; flex-direction: column; gap: 0; }

.result-item {
  background: var(--paper);
  border: 1px solid var(--border);
  border-bottom: none;
  padding: 1.1rem 1.5rem;
  display: grid;
  grid-template-columns: 110px 1fr auto;
  align-items: center;
  gap: 1.25rem;
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
}
.result-item:first-child { border-radius: 8px 8px 0 0; }
.result-item:last-child  { border-bottom: 1px solid var(--border); border-radius: 0 0 8px 8px; }
.result-item:only-child  { border-radius: 8px; border-bottom: 1px solid var(--border); }
.result-item:hover { background: #f5f2ea; }

.result-date {
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}
.result-date strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--forest);
  line-height: 1;
  margin-bottom: 0.15rem;
}

.result-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--forest);
  line-height: 1.3;
}
.result-title small {
  display: block;
  font-family: 'Lato', sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted);
  margin-top: 0.25rem;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.result-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  white-space: nowrap;
  background: #e8f0ec;
  color: var(--leaf);
  border: 1px solid #c2d6c9;
}
.badge-pdf   { background: #fde8e8; color: #8b1a1a; border-color: #f0c0c0; }
.badge-doc, .badge-docx { background: #e8eef8; color: #1a3060; border-color: #b8caec; }
.badge-xls, .badge-xlsx { background: #e8f4e8; color: #1a5c1a; border-color: #b0d8b0; }
.badge-ppt, .badge-pptx { background: #fef0e8; color: #7a3010; border-color: #f0c8a8; }
.badge-img  { background: #f4e8f8; color: #5a1a7a; border-color: #d8b8e8; }

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--muted);
  background: var(--paper);
  border: 1px dashed var(--border);
  border-radius: 10px;
}
.empty-state .icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.empty-state p { font-size: 0.9rem; }

/* ---- VIEW PAGE ---- */
.view-meta {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.view-meta .meta-date { font-size: 0.85rem; color: var(--muted); }
.view-meta .meta-type {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.view-actions {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-family: 'Lato', sans-serif;
  letter-spacing: 0.02em;
}
.btn-primary { background: var(--forest); color: #fff; }
.btn-primary:hover { background: var(--leaf); }
.btn-outline { background: transparent; color: var(--forest); border: 2px solid var(--forest); }
.btn-outline:hover { background: var(--forest); color: #fff; }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #8a6418; }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: #96291e; }
.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.78rem; }

.file-viewer {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 16px var(--shadow);
  min-height: 600px;
}
.file-viewer iframe {
  width: 100%;
  height: 75vh;
  min-height: 600px;
  border: none;
  display: block;
}
.file-viewer img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  padding: 2rem;
}
.viewer-unsupported {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
  text-align: center;
  color: var(--muted);
}
.viewer-unsupported .icon { font-size: 3rem; margin-bottom: 1rem; }
.viewer-unsupported p { margin-bottom: 1.5rem; max-width: 420px; font-size: 0.9rem; line-height: 1.7; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--gold);
  font-size: 0.82rem;
  text-decoration: none;
  margin-bottom: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.back-link:hover { color: var(--forest); }

/* ---- UPLOAD FORM ---- */
.upload-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 2px 12px var(--shadow);
  max-width: 560px;
}
.form-group { margin-bottom: 1.35rem; }
label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 0.4rem;
}
input[type="text"],
input[type="date"],
input[type="password"],
input[type="file"] {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-family: 'Lato', sans-serif;
  font-size: 0.9rem;
  color: var(--ink);
  background: #faf8f3;
  transition: border-color 0.2s;
  outline: none;
}
input:focus { border-color: var(--leaf); background: #fff; }
input[type="file"] { padding: 0.5rem 0.9rem; cursor: pointer; }
.form-hint { font-size: 0.75rem; color: var(--muted); margin-top: 0.3rem; }

.alert {
  padding: 0.85rem 1.1rem;
  border-radius: 6px;
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
  border-left: 4px solid;
}
.alert-success { background: #e8f4e8; color: #1a5c1a; border-color: var(--green); }
.alert-error   { background: #fde8e8; color: #8b1a1a; border-color: var(--red); }

/* ---- FOOTER ---- */
footer {
  background: var(--forest);
  color: rgba(255,255,255,0.45);
  text-align: center;
  padding: 1.25rem;
  font-size: 0.75rem;
}
footer a { color: var(--gold-lt); text-decoration: none; }

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .result-item { grid-template-columns: 1fr; gap: 0.4rem; }
  .result-date strong { display: inline; font-size: 0.9rem; }
  main { padding: 1.5rem 1rem; }
  .header-inner { height: 54px; }
  .site-logo span { display: none; }
}