/* =========================================
   EXIF ERASER — style.css
   Aesthetic: Industrial Brutalist × Warm Ink
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Mono:wght@400;500&display=swap');

/* ---- CSS Variables ---- */
:root {
  --bg:        #0f0e0c;
  --bg2:       #1a1916;
  --bg3:       #232220;
  --border:    #2e2c28;
  --border2:   #3f3c37;
  --ink:       #f0ece3;
  --ink2:      #b5af9f;
  --ink3:      #706a5a;
  --accent:    #e8c84a;
  --accent2:   #d4a820;
  --danger:    #e05a3a;
  --success:   #5cb87a;
  --font-head: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --r:         6px;
  --r2:        12px;
  --trans:     0.18s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-head);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Noise Overlay ---- */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* ---- Site Header ---- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,14,12,0.92);
  backdrop-filter: blur(12px);
}

.logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  color: var(--ink);
}
.logo-bracket { color: var(--ink3); }
.logo-accent { color: var(--accent); }

.header-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ---- Step Navigation ---- */
.step-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 24px 40px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 4px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--r);
  opacity: 0.35;
  transition: opacity var(--trans);
  cursor: default;
}
.step-item.active { opacity: 1; }
.step-item.done { opacity: 0.65; }

.step-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  font-weight: 500;
}
.step-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.step-divider {
  width: 32px;
  height: 1px;
  background: var(--border2);
  flex-shrink: 0;
}

/* ---- Main Wrapper ---- */
.main-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ---- Section ---- */
.step-section {
  display: none;
  animation: fadeInUp 0.3s ease;
}
.step-section.active { display: block; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.step-header {
  margin-bottom: 32px;
}
.step-header h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.step-desc {
  margin-top: 8px;
  color: var(--ink2);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ---- Count Badge ---- */
.count-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--accent);
  color: var(--bg);
  padding: 3px 10px;
  border-radius: 99px;
  font-weight: 700;
  vertical-align: middle;
}

/* ---- Drop Zone ---- */
.drop-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--r2);
  padding: 64px 32px;
  text-align: center;
  transition: border-color var(--trans), background var(--trans);
  cursor: pointer;
  background: var(--bg2);
  position: relative;
}
.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(232,200,74,0.04);
}
.drop-zone.drag-over { border-style: solid; }

.drop-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  color: var(--ink3);
}
.drop-zone:hover .drop-icon,
.drop-zone.drag-over .drop-icon { color: var(--accent); }

.drop-main {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.drop-sub { color: var(--ink3); font-size: 0.85rem; margin-bottom: 20px; }

.btn-select {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  padding: 10px 28px;
  border-radius: var(--r);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--trans), transform var(--trans);
  letter-spacing: 0.04em;
}
.btn-select:hover { background: var(--accent2); transform: translateY(-1px); }

/* ---- Disclaimer Mini ---- */
.disclaimer-mini {
  margin-top: 20px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink3);
  display: flex;
  align-items: center;
  gap: 8px;
}
.disc-icon { color: var(--accent); font-size: 0.85rem; }

/* ---- Toolbar ---- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.btn-tool {
  background: var(--bg3);
  color: var(--ink2);
  border: 1px solid var(--border2);
  border-radius: var(--r);
  padding: 7px 16px;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--trans);
  letter-spacing: 0.02em;
}
.btn-tool:hover { background: var(--border2); color: var(--ink); }
.btn-tool.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }

.selected-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
}

/* ---- Image Grid ---- */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}

.img-card {
  background: var(--bg2);
  border: 2px solid var(--border);
  border-radius: var(--r2);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
  position: relative;
}
.img-card:hover {
  border-color: var(--border2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.img-card.selected { border-color: var(--accent); }

.img-card-thumb {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  background: var(--bg3);
}

.img-card-info {
  padding: 10px 10px 8px;
}
.img-card-name {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 3px;
}
.img-card-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink3);
}

.img-card-check {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  transition: all var(--trans);
}
.img-card.selected .img-card-check {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}
.img-card-check::after {
  content: '';
  display: none;
}
.img-card.selected .img-card-check::after {
  display: block;
  content: '✓';
  font-weight: 700;
}

/* ---- Step Actions ---- */
.step-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ---- Buttons ---- */
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--r);
  padding: 12px 28px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--trans), transform var(--trans), box-shadow var(--trans);
  letter-spacing: 0.04em;
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent2);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(232,200,74,0.25);
}
.btn-primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.btn-primary.wide { width: 100%; }

.btn-ghost {
  background: transparent;
  color: var(--ink2);
  border: 1px solid var(--border2);
  border-radius: var(--r);
  padding: 12px 22px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--trans);
  letter-spacing: 0.03em;
}
.btn-ghost:hover { border-color: var(--ink3); color: var(--ink); }

/* ---- Mode Cards ---- */
.mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.mode-card {
  background: var(--bg2);
  border: 2px solid var(--border);
  border-radius: var(--r2);
  padding: 32px 28px;
  cursor: pointer;
  transition: all var(--trans);
  position: relative;
  overflow: hidden;
}
.mode-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232,200,74,0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--trans);
}
.mode-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.mode-card:hover::before { opacity: 1; }
.mode-card.selected {
  border-color: var(--accent);
  background: rgba(232,200,74,0.06);
}

.mode-icon { font-size: 2.5rem; margin-bottom: 14px; }
.mode-card h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 8px; }
.mode-card p { font-size: 0.85rem; color: var(--ink2); line-height: 1.5; margin-bottom: 16px; }
.mode-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid rgba(232,200,74,0.35);
  border-radius: 4px;
  padding: 3px 8px;
  display: inline-block;
}

/* ---- Tag Selector ---- */
.tag-selector {
  display: none;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 28px;
  margin-bottom: 28px;
  animation: fadeInUp 0.25s ease;
}
.tag-selector.visible { display: block; }

.tag-selector-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.tag-filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tag-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
}

.tag-list::-webkit-scrollbar { width: 4px; }
.tag-list::-webkit-scrollbar-track { background: var(--bg3); border-radius: 2px; }
.tag-list::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

.tag-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  cursor: pointer;
  transition: all var(--trans);
  background: var(--bg3);
}
.tag-item:hover { border-color: var(--border2); }
.tag-item.checked { border-color: var(--danger); background: rgba(224,90,58,0.08); }
.tag-item.hidden { display: none; }

.tag-checkbox {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border2);
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 1px;
  position: relative;
  transition: all var(--trans);
}
.tag-item.checked .tag-checkbox {
  background: var(--danger);
  border-color: var(--danger);
}
.tag-item.checked .tag-checkbox::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: white;
  font-weight: 700;
}

.tag-info {}
.tag-name {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 2px;
}
.tag-desc {
  font-size: 0.68rem;
  color: var(--ink3);
}
.tag-group-badge {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}
.badge-location { background: rgba(224,90,58,0.2); color: var(--danger); }
.badge-device   { background: rgba(92,184,122,0.2); color: var(--success); }
.badge-datetime { background: rgba(232,200,74,0.2); color: var(--accent); }
.badge-other    { background: rgba(181,175,159,0.15); color: var(--ink2); }

.tag-summary {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--danger);
}

/* ---- Progress ---- */
.progress-container {
  padding: 48px 0;
  text-align: center;
}
.progress-label {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}
.progress-track {
  background: var(--bg3);
  border-radius: 99px;
  height: 10px;
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--border2);
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 99px;
  width: 0%;
  transition: width 0.2s ease;
  box-shadow: 0 0 10px rgba(232,200,74,0.5);
}
.progress-detail {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink3);
}
.blast-text {
  font-size: 3rem;
  margin-top: 24px;
  min-height: 4rem;
  letter-spacing: 0.05em;
  animation: blastPulse 0.4s ease;
}
@keyframes blastPulse {
  0%   { transform: scale(0.5); opacity: 0; }
  60%  { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* ---- Results ---- */
.result-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: rgba(92,184,122,0.1);
  border: 1px solid rgba(92,184,122,0.3);
  border-radius: var(--r2);
  margin-bottom: 28px;
}
.result-icon {
  width: 36px;
  height: 36px;
  background: var(--success);
  color: var(--bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}
.result-text { font-size: 1.2rem; font-weight: 800; }
.result-sub  { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink2); margin-left: auto; }

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}

.result-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  overflow: hidden;
}
.result-card-thumb {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  background: var(--bg3);
}
.result-card-info {
  padding: 10px;
}
.result-card-name {
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 8px;
}
.result-card-dl {
  width: 100%;
  background: var(--bg3);
  color: var(--ink2);
  border: 1px solid var(--border2);
  border-radius: var(--r);
  padding: 7px;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--trans);
}
.result-card-dl:hover { background: var(--accent); color: var(--bg); border-color: var(--accent); }

/* ---- Lightbox ---- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,9,8,0.92);
  z-index: 500;
  padding: 24px;
  backdrop-filter: blur(8px);
  animation: fadeInUp 0.2s ease;
}
.lightbox.open { display: flex; align-items: flex-start; justify-content: center; }

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--ink);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 501;
  transition: all var(--trans);
}
.lightbox-close:hover { background: var(--danger); border-color: var(--danger); }

.lightbox-inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  max-width: 1000px;
  width: 100%;
  margin-top: 60px;
  max-height: calc(100vh - 100px);
  overflow: hidden;
}

.lightbox-img-wrap {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
}
.lightbox-img-wrap img {
  max-width: 100%;
  max-height: calc(100vh - 120px);
  object-fit: contain;
  border-radius: var(--r);
}

.lightbox-exif {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 20px;
  overflow-y: auto;
  max-height: calc(100vh - 120px);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.lightbox-exif::-webkit-scrollbar { width: 4px; }
.lightbox-exif::-webkit-scrollbar-track { background: var(--bg3); }
.lightbox-exif::-webkit-scrollbar-thumb { background: var(--border2); }

.exif-title {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.exif-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--trans);
}
.exif-row:hover { background: var(--bg3); border-radius: 4px; }
.exif-key { color: var(--ink3); font-size: 0.68rem; }
.exif-val { color: var(--ink); word-break: break-all; font-size: 0.68rem; }

.exif-empty {
  color: var(--ink3);
  font-size: 0.8rem;
  text-align: center;
  padding: 20px 0;
}

/* ---- Modal ---- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,9,8,0.88);
  z-index: 600;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(10px);
}
.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--r2);
  max-width: 580px;
  width: 100%;
  padding: 36px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  color: var(--accent);
}
.modal-body { margin-bottom: 24px; }
.modal-body p { font-size: 0.85rem; line-height: 1.7; color: var(--ink2); margin-bottom: 12px; }
.modal-body ul { padding-left: 16px; }
.modal-body li {
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--ink2);
  margin-bottom: 10px;
}
.modal-body li strong { color: var(--ink); }
.modal-last { font-size: 0.8rem !important; color: var(--ink3) !important; border-top: 1px solid var(--border); padding-top: 12px !important; }

/* ---- Site Footer ---- */
.site-footer {
  text-align: center;
  padding: 24px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-div { color: var(--border2); }
.footer-link {
  background: none;
  border: none;
  color: var(--ink3);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--trans);
}
.footer-link:hover { color: var(--accent); }

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .site-header { padding: 16px 20px; }
  .step-nav { padding: 16px 20px; gap: 2px; }
  .step-label { display: none; }
  .main-wrapper { padding: 32px 16px 60px; }
  .step-header h2 { font-size: 1.5rem; }
  .mode-grid { grid-template-columns: 1fr; }
  .lightbox-inner { grid-template-columns: 1fr; }
  .lightbox-exif { max-height: 260px; }
  .image-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
}

/* ---- Scrollbar (global) ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }