/* ============================================================
   Smart Coaching Centre - Student Corner Page Styles
   ============================================================ */

/* HERO */
.sc-hero { position: relative; overflow: hidden; }
.sc-hero-deco { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.deco-icon {
  position: absolute; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: rgba(255,255,255,0.07); backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.12); color: rgba(255,255,255,0.35);
  animation: floatDeco 6s ease-in-out infinite;
}
.deco-icon i { font-size: inherit; }
.d1 { width:70px;height:70px;font-size:1.6rem;top:18%;right:8%; animation-duration:7s; }
.d2 { width:90px;height:90px;font-size:2rem;  top:55%;right:18%;animation-delay:1.2s;animation-duration:8s; }
.d3 { width:55px;height:55px;font-size:1.3rem;top:25%;right:28%;animation-delay:2.5s;animation-duration:6s; }
.d4 { width:50px;height:50px;font-size:1.1rem;top:68%;right:6%; animation-delay:0.8s;animation-duration:9s; }
.d5 { width:75px;height:75px;font-size:1.7rem;top:10%;right:42%;animation-delay:3s;  animation-duration:7.5s; }
@keyframes floatDeco {
  0%,100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-18px) rotate(8deg); }
}

/* TAB BAR */
.sc-tabs-bar {
  background: var(--bg-white); border-bottom: 1px solid var(--border);
  position: sticky; top: var(--nav-h); z-index: 200;
  box-shadow: 0 2px 12px rgba(26,75,140,0.06);
}
.sc-tabs { display: flex; }
.sc-tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 16px 32px; font-size: 0.93rem; font-weight: 600;
  color: var(--text-muted); border-bottom: 3px solid transparent; transition: var(--ease);
}
.sc-tab:hover { color: var(--primary); }
.sc-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* SECTION HEADER */
.sc-section-header { text-align: center; margin-bottom: 44px; }

/* FILE GRID - 2 columns */
.file-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

/* FILE CARD */
.file-card {
  background: var(--bg-white); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-xs);
  display: flex; align-items: center; gap: 16px;
  padding: 18px 20px; transition: var(--ease);
}
.file-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(26,75,140,0.15); }

.fc-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
}
.fc-icon-blue { background: rgba(26,75,140,0.08); color: var(--primary); }
.fc-icon-gold { background: rgba(245,197,24,0.12); color: var(--gold-dark); }

.fc-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.fc-title {
  font-size: 0.95rem; font-weight: 700; color: var(--text-dark);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.3;
}
.fc-desc {
  font-size: 0.82rem; color: var(--text-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.fc-meta { display: flex; gap: 14px; font-size: 0.76rem; color: var(--text-muted); margin-top: 2px; }
.fc-meta span { display: flex; align-items: center; gap: 5px; }
.fc-meta i { color: var(--primary); font-size: 0.7rem; }

.fc-download {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(26,75,140,0.08); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0; transition: var(--ease);
}
.fc-download:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 14px rgba(26,75,140,0.25); }
.fc-download-gold { background: rgba(245,197,24,0.12); color: var(--gold-dark); }
.fc-download-gold:hover { background: var(--gold-dark); color: #fff; box-shadow: 0 4px 14px rgba(201,146,10,0.3); }

/* EMPTY STATE */
.sc-empty { text-align: center; padding: 72px 24px; color: var(--text-muted); }
.sc-empty i   { font-size: 3.5rem; opacity: 0.2; display: block; margin-bottom: 20px; }
.sc-empty h3  { color: var(--text-dark); margin-bottom: 8px; font-size: 1.2rem; }
.sc-empty p   { font-size: 0.95rem; }

/* RESPONSIVE */
@media (max-width: 900px) { .file-grid { grid-template-columns: 1fr; } }
@media (max-width: 600px) {
  .sc-tabs { overflow-x: auto; }
  .sc-tab  { padding: 14px 20px; white-space: nowrap; }
  .deco-icon { display: none; }
  .fc-title, .fc-desc { white-space: normal; }
}