/* Classroom Project Hub - all colors reference CSS variables set per-page
   in base.html from config.json, so switching a class's theme never
   requires touching this file. */

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.5;
}

a { color: var(--color-primary); text-decoration: none; }

/* ---------- header ---------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.site-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--color-text); }
.brand__mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--color-primary); color: #fff; font-size: 0.85rem; font-weight: 700;
}

.page { max-width: 1100px; margin: 0 auto; padding: 32px 24px 80px; }

.site-footer {
  text-align: center; padding: 24px; color: var(--color-muted); font-size: 0.85rem;
}

/* ---------- hero ---------- */
.hero { text-align: center; padding: 48px 0 32px; }
.hero h1 { font-size: 2.2rem; margin: 0 0 8px; }
.hero__tagline { color: var(--color-muted); font-size: 1.05rem; }

/* ---------- School Grid (Replaces old Classroom Grid) ---------- */
.classroom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.school-card {
  background: var(--color-surface);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
}

.school-card:hover { 
  transform: translateY(-4px); 
  box-shadow: 0 12px 32px rgba(0,0,0,0.12); 
}

.school-card__image-wrapper {
  width: 100%;
  height: 180px; 
  overflow: hidden;
  background: var(--card-primary, #e2e8f0); 
}

.school-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover; 
  transition: transform 0.4s ease;
}

.school-card:hover .school-card__image {
  transform: scale(1.05); 
}

.school-card__body { 
  padding: 24px; 
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.school-card__body h2 { 
  margin: 0 0 12px; 
  font-size: 1.25rem; 
}

.school-card__cta {
  margin-top: auto;
  color: var(--card-primary, var(--color-primary)); 
  font-weight: 600; 
  font-size: 0.95rem;
}

/* ---------- class header / gallery ---------- */
.class-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: 16px; margin-bottom: 28px;
}
.class-header h1 { margin: 4px 0 4px; }
.back-link { display: inline-block; margin-bottom: 12px; color: var(--color-muted); font-size: 0.9rem; }
.muted { color: var(--color-muted); }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.project-card {
  background: var(--color-surface);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 14px;
  padding: 20px;
  color: var(--color-text);
  display: flex; flex-direction: column; gap: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.project-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0,0,0,0.08); }
.project-card h3 { margin: 0; }
.project-card__desc {
  color: var(--color-muted); font-size: 0.92rem;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.project-card__meta { font-size: 0.82rem; color: var(--color-muted); }
.project-card__cta { margin-top: auto; font-weight: 600; color: var(--color-primary); font-size: 0.88rem; }

.empty-state {
  padding: 40px; text-align: center; color: var(--color-muted);
  background: var(--color-surface); border-radius: 14px; grid-column: 1 / -1;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 8px; font-weight: 600; font-size: 0.92rem;
  border: none; cursor: pointer; text-decoration: none;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--ghost { background: transparent; border: 1px solid rgba(0,0,0,0.15); color: var(--color-text); }
.btn--small { padding: 6px 12px; font-size: 0.85rem; }
.btn--wide { width: 100%; margin-top: 8px; }

/* ---------- forms ---------- */
.form-card {
  background: var(--color-surface);
  border-radius: 14px;
  padding: 28px;
  border: 1px solid rgba(0,0,0,0.06);
  display: flex; flex-direction: column; gap: 18px;
  max-width: 640px;
}
.field { display: flex; flex-direction: column; gap: 6px; font-size: 0.9rem; font-weight: 600; }
.field input[type="text"], .field input[type="password"], .field textarea, .field input[type="file"] {
  font: inherit; font-weight: 400; padding: 10px 12px;
  border: 1px solid rgba(0,0,0,0.15); border-radius: 8px; background: var(--color-background);
  color: var(--color-text);
}
.field textarea { resize: vertical; }
.field-row { display: flex; gap: 14px; }
.field-row .field { flex: 1; }

.contributors-list { display: flex; flex-direction: column; gap: 8px; }
.contributor-row { display: flex; gap: 8px; }
.contributor-row input { flex: 1; font-weight: 400; padding: 8px 10px; border: 1px solid rgba(0,0,0,0.15); border-radius: 8px; background: var(--color-background); color: var(--color-text); }

/* ---------- flash messages ---------- */
.flash-stack { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.flash { padding: 12px 16px; border-radius: 8px; font-size: 0.9rem; }
.flash--error { background: #fde8e8; color: #9b1c1c; }
.flash--success { background: #e6f7ec; color: #0c6b34; }

/* ---------- Enhanced Project Details View ---------- */
.project-details-card {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
  margin-bottom: 32px;
}

.project-title {
  font-size: 2.2rem;
  margin-top: 0;
  margin-bottom: 24px;
  color: var(--color-text);
  font-weight: 700;
}

.project-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  padding: 20px 0;
  border-top: 1px solid rgba(0,0,0,0.06);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  margin-bottom: 24px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.meta-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  font-weight: 700;
}

.meta-value {
  font-size: 1.05rem;
  color: var(--color-text);
}

.project-description h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.project-description p {
  color: var(--color-text);
  line-height: 1.7;
  margin-top: 0;
}

.project-files {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.file-badge {
  background: var(--color-background);
  border: 1px solid rgba(0,0,0,0.1);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: monospace;
  color: var(--color-primary-dark);
}

.preview-frame-wrap {
  border: 1px solid rgba(0,0,0,0.1); 
  border-radius: 12px; 
  overflow: hidden;
  background: #fff; 
  height: 70vh; 
  min-height: 500px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.preview-frame { width: 100%; height: 100%; border: 0; }

.preview-actions {
  margin-top: 16px;
  text-align: right;
}

@media (max-width: 640px) {
  .field-row { flex-direction: column; }
  .class-header { flex-direction: column; align-items: flex-start; }
}