/* ============================================================
   PORTFOLIO — projects.css (Project Archive Page Styles)
   ============================================================ */

/* === PAGE HEADER === */
.archive-hero {
  position: relative; z-index: 1;
  padding: 160px 40px 80px;
  text-align: center;
}
.archive-hero .back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem; color: var(--clr-accent);
  margin-bottom: 32px;
  transition: gap var(--transition);
  opacity: 0.8;
}
.archive-hero .back-link:hover { gap: 12px; opacity: 1; }
.archive-hero h1 {
  font-family: var(--font-main);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.archive-hero p {
  font-size: 1rem; color: var(--clr-text-2);
  max-width: 540px; margin: 0 auto 48px;
}

/* === FILTER TABS === */
.filter-bar {
  display: flex; justify-content: center; gap: 8px;
  flex-wrap: wrap; margin-bottom: 60px;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem; font-weight: 500;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--clr-border-2);
  color: var(--clr-text-3);
  background: transparent;
  transition: all var(--transition);
  cursor: pointer;
  letter-spacing: 0.04em;
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: rgba(0,212,255,0.08);
}

/* === ARCHIVE GRID === */
.archive-container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 40px 120px;
}
.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.archive-card {
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.archive-card.hidden { display: none; }
.archive-card:hover {
  border-color: rgba(0,212,255,0.3);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 30px rgba(0,212,255,0.08);
  transform: translateY(-4px);
}

/* Card image */
.archive-img-wrap {
  position: relative; height: 200px;
  background: var(--clr-bg-2); overflow: hidden;
}
.archive-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.archive-card:hover .archive-img-wrap img { transform: scale(1.06); }
.archive-img-fallback {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 10px;
  background: linear-gradient(135deg, #0d1120, #121826);
  color: var(--clr-text-3); font-size: 0.78rem;
}
.archive-cat-badge {
  position: absolute; top: 12px; right: 12px;
  font-size: 0.6rem; font-weight: 700;
  padding: 3px 10px; border-radius: 100px;
  background: rgba(0,212,255,0.15);
  color: var(--clr-accent);
  border: 1px solid rgba(0,212,255,0.25);
  letter-spacing: 0.07em; text-transform: uppercase;
  backdrop-filter: blur(8px);
}

/* Card body */
.archive-body { padding: 22px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.archive-body h3 {
  font-family: var(--font-main);
  font-size: 1rem; font-weight: 700;
  color: var(--clr-text);
  transition: color var(--transition);
}
.archive-card:hover .archive-body h3 { color: var(--clr-accent); }
.archive-body p {
  font-size: 0.83rem; color: var(--clr-text-2);
  line-height: 1.65; flex: 1;
}
.archive-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.archive-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 3px 8px; border-radius: 3px;
  background: rgba(124,58,237,0.1);
  color: #a78bfa;
  border: 1px solid rgba(124,58,237,0.2);
}
.archive-links {
  display: flex; gap: 14px; padding-top: 4px;
}
.archive-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.75rem; font-weight: 500;
  color: var(--clr-text-3);
  transition: color var(--transition);
}
.archive-link:hover { color: var(--clr-accent); }

/* === ADD PROJECT MODAL === */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(5, 8, 16, 0.88);
  backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal {
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%; max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition);
  scrollbar-width: thin;
  scrollbar-color: var(--clr-border-2) transparent;
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 32px;
}
.modal-title {
  font-family: var(--font-main);
  font-size: 1.4rem; font-weight: 700;
}
.modal-close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--clr-text-3);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  transition: all var(--transition);
}
.modal-close:hover {
  color: var(--clr-text);
  background: var(--clr-surface-2);
  transform: rotate(90deg);
}

.modal-form { display: flex; flex-direction: column; gap: 20px; }
.modal-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-family: var(--font-mono);
  font-size: 0.68rem; color: var(--clr-text-3);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.form-input,
.form-textarea,
.form-select {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 0.88rem;
  outline: none;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--clr-text-3); }
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-select {
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b9bb4' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.form-select option { background: var(--clr-bg-3); }

/* Image upload */
.img-upload-zone {
  border: 2px dashed var(--clr-border-2);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}
.img-upload-zone:hover, .img-upload-zone.drag-over {
  border-color: var(--clr-accent);
  background: rgba(0,212,255,0.04);
}
.img-upload-zone p { font-size: 0.85rem; color: var(--clr-text-3); margin-top: 8px; }
.img-upload-zone span { font-size: 0.75rem; color: var(--clr-text-3); font-family: var(--font-mono); }
.upload-icon { color: var(--clr-accent); margin: 0 auto 8px; }
.img-preview { display: none; }
.img-preview img {
  max-height: 140px; border-radius: var(--radius-sm);
  margin: 0 auto; object-fit: cover;
}
.img-preview-wrap { position: relative; }
.img-remove-btn {
  position: absolute; top: 6px; right: 6px;
  background: rgba(255,107,107,0.15);
  border: 1px solid rgba(255,107,107,0.3);
  color: #ff6b6b; width: 26px; height: 26px;
  border-radius: 50%; font-size: 0.7rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.img-remove-btn:hover { background: rgba(255,107,107,0.3); }

.modal-actions {
  display: flex; gap: 12px; justify-content: flex-end;
  margin-top: 8px;
}
.btn-cancel {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border-2);
  color: var(--clr-text-2);
  font-family: var(--font-main);
  font-size: 0.88rem; font-weight: 500;
  transition: all var(--transition); cursor: pointer;
  background: transparent;
}
.btn-cancel:hover { border-color: var(--clr-text-2); color: var(--clr-text); }
.btn-add-project {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--clr-accent), #0099cc);
  color: #080b14;
  font-family: var(--font-main);
  font-size: 0.88rem; font-weight: 700;
  transition: all var(--transition); cursor: pointer;
  border: none;
  box-shadow: 0 4px 16px rgba(0,212,255,0.25);
}
.btn-add-project:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,212,255,0.4);
}

/* FAB */
.fab {
  position: fixed; bottom: 36px; right: 36px; z-index: 150;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 28px rgba(0,212,255,0.35);
  transition: all var(--transition);
  border: none;
}
.fab:hover {
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 12px 36px rgba(0,212,255,0.5);
}
.fab-tooltip {
  position: absolute; right: 70px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border-2);
  padding: 4px 12px; border-radius: 4px;
  color: var(--clr-text-2);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.fab:hover .fab-tooltip { opacity: 1; }

/* Empty state */
.empty-state {
  grid-column: 1/-1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 80px 0; gap: 16px;
  color: var(--clr-text-3);
  font-family: var(--font-mono);
  font-size: 0.85rem; text-align: center;
}
.empty-state svg { opacity: 0.3; }

/* Responsive */
@media (max-width: 900px) {
  .archive-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .archive-grid { grid-template-columns: 1fr; }
  .archive-container { padding: 0 24px 80px; }
  .archive-hero { padding: 130px 24px 60px; }
  .modal { padding: 28px 24px; }
  .modal-row { grid-template-columns: 1fr; }
}