/* ===============================
   VARIABLES
================================== */
:root {
  --bg: #ffffff;
  --panel: #f6f8fa;
  --border: #d0d7de;
  --text: #24292f;
  --muted: #57606a;
  --primary: #118634;          /* Primary color (ASU green) */
  --primary-hover: #0f6d2a;    /* Darker green on hover */
  --radius: 6px;
  --gap: 16px;
  --pad: 16px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --maxw: 1100px;
}

/* ===============================
   BASE STYLES
================================== */
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
img { max-width: 100%; display: block; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
a { text-decoration: none; }

/* ===============================
   NAVBAR
================================== */
.navbar {
  background: #118634;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  color: #fff;
}

.logo {
  width: 180px;
  height: 50px;
  border-radius: var(--radius);
  background: var(--primary);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: bold;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #fff;
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: 0.2s;
}
.nav-links a:hover {
  background: var(--panel);
  color: var(--text);
}

/* ===============================
   BUTTONS
================================== */
.btn {
  background: var(--primary);
  color: #fff;
  padding: 8px 14px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  cursor: pointer;
  transition: 0.2s;
}
.btn:hover { background: var(--primary-hover); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { background: var(--panel); }

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--text);
}

.actions-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ===============================
   HERO SECTION
================================== */
.hero {
  padding: 48px 0;
  text-align: center;
}
.hero-title { font-size: 2rem; margin: 0 0 8px; }
.hero-sub { color: var(--muted); margin: 0 0 24px; }

.search {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--panel);
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.search input,
.search select {
  flex: 1 1 220px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.hero-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--gap);
  margin-top: 24px;
}

.card {
  background: var(--panel);
  padding: var(--pad);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ===============================
   LAYOUTS & SECTIONS
================================== */
.section { padding: 40px 0; }
.section-narrow { padding: 24px 0; }
.section-title { margin: 0 0 12px; font-size: 1.25rem; }

.grid {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--gap);
}
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } }

/* ===============================
   FILTERS & RESULTS
================================== */
.filters .stack {
  display: grid;
  gap: 10px;
}

.filters input,
.filters select {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.results-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.result {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 10px;
}

.abstract { margin: 4px 0 0; }

/* ===============================
   DETAILS
================================== */
.details-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--gap);
}
@media (max-width: 900px) { .details-grid { grid-template-columns: 1fr; } }

.pdf-box {
  height: 300px;
  border: 1px dashed var(--border);
  display: grid;
  place-items: center;
  background: var(--panel);
  color: var(--muted);
}

.sidebar .chips span {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  margin: 2px;
}

/* ===============================
   PANEL / ADMIN
================================== */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: var(--pad);
  border-radius: var(--radius);
}

.admin-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--gap);
}
.admin-side {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--pad);
}
.menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}
.menu a {
  display: block;
  padding: 8px;
  border-radius: var(--radius);
  color: var(--text);
}
.menu a:hover { background: var(--panel); }
.menu .active a { background: var(--primary); color: #fff; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.table th, .table td {
  padding: 8px 12px;
  border: 1px solid #ddd;
  text-align: left;
}

.table th {
  background: #f4f4f4;
  cursor: pointer; /* for sorting */
  text-align: center;
}

.table tr:nth-child(even) {
  background: #fafafa;
}

.table tr:hover {
  background: #f1f1f1;
}
.badge {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--panel);
}
.badge.ok { background: #daf5dc; color: #055a0c; }
.badge.warn { background: #fff4ce; color: #664d03; }

/* ===============================
   FOOTER
================================== */
.footer {
  border-top: 1px solid var(--border);
  background: var(--panel);
  text-align: center;
  padding: 1rem 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-col h4 {
  font-weight: bold;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin: 0.4rem 0; }

.footer-col a { color: var(--text); }
.footer-col a:hover { text-decoration: underline; }

.footer-col.center { text-align: center; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
}

/* ===============================
   UPLOAD FORM
================================== */
.upload-container {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.upload-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 2rem;
}

.upload-form .form-group { display: flex; flex-direction: column; }
.upload-form .form-group.full { grid-column: span 2; }

.upload-form label {
  font-weight: bold;
  margin-bottom: 0.3rem;
  color: #333;
}

.upload-form input,
.upload-form select,
.upload-form textarea {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  box-sizing: border-box;
}

.upload-form textarea { resize: vertical; }

.form-actions {
  grid-column: span 2;
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.btn-primary { background: #1d4ed8; color: #fff; }
.btn-primary:hover { background: #1e40af; }

.btn-secondary {
  background: #f3f4f6;
  color: #333;
}
.btn-secondary:hover { background: #e5e7eb; }

/* ===============================
   AUTH / LOGIN
================================== */
.auth-container {
  max-width: 400px;
  margin: 80px auto;
  padding: 20px;
  text-align: center;
}

.auth-header .logo {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 5px;
}
.auth-header .tagline {
  font-size: 14px;
  color: #555;
  margin-bottom: 20px;
}

.auth-form {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: var(--radius);
  text-align: left;
}

.auth-form .form-group { margin-bottom: 15px; }
.auth-form label { font-size: 14px; margin-bottom: 5px; font-weight: 500; }
.auth-form input {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.forgot-link {
  font-size: 12px;
  color: #0969da;
}
.forgot-link:hover { text-decoration: underline; }

.auth-footer {
  margin-top: 15px;
  font-size: 14px;
}
.auth-footer a { color: #0969da; }
.auth-footer a:hover { text-decoration: underline; }


.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 100%;
  gap: 0; /* no space between */
}

.card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 0; /* remove rounding for clean columns */
  padding: 40px 20px;
  text-align: center;
  box-shadow: inset 0 0 0 1px #e5e7eb;
}

#card-font {
  font-size: 2rem;
  color: #1d4ed8;
  margin-bottom: 8px;
}

.card p {
  font-size: 1rem;
  color: #6b7280;
  margin: 0;
}



.alert { margin: 15px 0; padding: 10px; border-radius: 6px; }
.alert-success { background: #d4edda; color: #155724; }
.alert-warning { background: #f8d7da; color: #721c24; }

.required-label::after {
  content: " *";
  color: #d9534f;
  font-weight: bold;
}