/* ============================================================
   Resize AI – Global Styles
   (c) 2026 mateopoznan.pl
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-base:       #0a0a0f;
  --bg-surface:    #111118;
  --bg-card:       #16161e;
  --bg-card-hover: #1c1c26;
  --bg-input:      #1e1e28;
  --bg-input-focus:#252530;
  --border:        #252532;
  --border-focus:  #5558e3;
  --text-primary:  #e8e8f0;
  --text-secondary:#9898b0;
  --text-muted:    #56566a;
  --text-link:     #7b7de8;
  --accent:        #5558e3;
  --accent-hover:  #6b6ef5;
  --accent-glow:   rgba(85,88,227,.25);
  --success:       #22c55e;
  --success-bg:    rgba(34,197,94,.10);
  --error:         #ef4444;
  --error-bg:      rgba(239,68,68,.10);
  --warning:       #f59e0b;
  --warning-bg:    rgba(245,158,11,.10);
  --purple:  #8b5cf6;
  --blue:    #3b82f6;
  --green:   #10b981;
  --orange:  #f97316;
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 18px;
  --shadow-card: 0 1px 3px rgba(0,0,0,.4), 0 4px 24px rgba(0,0,0,.3);
  --shadow-glow: 0 0 0 3px var(--accent-glow);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: .18s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-link); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: #333345; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #44445a; }

/* ---- Navbar ---- */
.navbar {
  height: 58px;
  background: rgba(10,10,15,.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; letter-spacing: -.3px; color: var(--text-primary); }
.nav-brand svg { color: var(--accent); }
.nav-brand em { font-style: normal; color: var(--accent); }
.nav-stats-link, .nav-back-link { display: flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--text-secondary); padding: 6px 10px; border-radius: var(--radius-sm); transition: all var(--transition); }
.nav-stats-link:hover, .nav-back-link:hover { color: var(--text-primary); background: var(--bg-card-hover); }
.nav-right { display: flex; align-items: center; gap: 10px; }

/* ---- Container ---- */
.container { width: 100%; max-width: 820px; margin: 0 auto; padding: 36px 20px; flex: 1; }

/* ---- Hero ---- */
.hero { text-align: center; margin-bottom: 32px; }
.hero h1 { font-size: clamp(1.9rem,5vw,2.8rem); font-weight: 700; letter-spacing: -1px; line-height: 1.15; margin-bottom: 12px; }
.gradient-text { background: linear-gradient(135deg,#7b7de8 0%,#a78bfa 50%,#60a5fa 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: .9rem; color: var(--text-secondary); line-height: 1.7; }

/* ---- Card ---- */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-card); margin-bottom: 16px; }

/* ---- Drop Zone ---- */
.drop-zone { border: 2px dashed var(--border); border-radius: var(--radius); padding: 40px 24px; display: flex; flex-direction: column; align-items: center; gap: 10px; cursor: pointer; transition: all .2s; text-align: center; user-select: none; }
.drop-zone:hover, .drop-zone.drag-over { border-color: var(--accent); background: rgba(85,88,227,.04); }
.drop-zone:focus-visible { outline: none; box-shadow: var(--shadow-glow); }
.drop-zone-icon { color: var(--text-muted); transition: color var(--transition); }
.drop-zone:hover .drop-zone-icon, .drop-zone.drag-over .drop-zone-icon { color: var(--accent); }
.drop-zone-text { font-size: 1rem; font-weight: 500; }
.drop-zone-text span { font-weight: 400; color: var(--text-link); font-size: .9rem; }
.drop-zone-hint { font-size: .78rem; color: var(--text-muted); }

/* ---- File List ---- */
.file-list { margin-top: 18px; display: grid; grid-template-columns: repeat(auto-fill,minmax(110px,1fr)); gap: 10px; }
.file-thumb { background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px; display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: .72rem; color: var(--text-secondary); overflow: hidden; animation: fadeSlideIn .2s ease; }
.file-thumb img { width: 80px; height: 60px; object-fit: cover; border-radius: 4px; }
.file-thumb-name { width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: center; }
.file-thumb-size { color: var(--text-muted); font-size: .68rem; }
.file-thumb-more { background: var(--bg-input); border: 1px dashed var(--border); border-radius: var(--radius-sm); display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100px; font-size: .8rem; color: var(--text-muted); font-weight: 600; gap: 4px; }
@keyframes fadeSlideIn { from { opacity:0; transform:scale(.95); } to { opacity:1; transform:scale(1); } }

/* ---- Options ---- */
.section-title { font-size: .95rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .6px; margin-bottom: 20px; }
.options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.option-group { display: flex; flex-direction: column; gap: 8px; }
.option-group.span-2 { grid-column: span 2; }
.option-label { font-size: .82rem; font-weight: 500; color: var(--text-secondary); }

/* ---- Inputs ---- */
.input-num, .input-text { background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-primary); font-family: var(--font); font-size: .925rem; padding: 10px 14px; width: 100%; transition: border-color var(--transition), background var(--transition); }
.input-num:focus, .input-text:focus { outline: none; border-color: var(--border-focus); background: var(--bg-input-focus); box-shadow: var(--shadow-glow); }
.input-num::-webkit-inner-spin-button { opacity: .5; }

/* ---- Presets ---- */
.presets { display: flex; flex-wrap: wrap; gap: 8px; }
.preset-btn { background: var(--bg-input); border: 1px solid var(--border); color: var(--text-secondary); font-family: var(--font); font-size: .8rem; font-weight: 500; padding: 6px 14px; border-radius: 100px; cursor: pointer; transition: all var(--transition); }
.preset-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.preset-btn.active { background: var(--accent-glow); border-color: var(--accent); color: var(--text-primary); }

/* ---- Toggle ---- */
.toggle-label { display: flex; align-items: flex-start; gap: 14px; cursor: pointer; padding: 12px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--bg-input); transition: border-color var(--transition); }
.toggle-label:hover { border-color: rgba(85,88,227,.5); }
.toggle-label-sm { padding: 6px 12px; align-items: center; background: transparent; border: none; }
.toggle-label-sm:hover { background: transparent; }
.toggle-wrapper { flex-shrink: 0; padding-top: 2px; }
input[type="checkbox"] { width:0; height:0; opacity:0; position:absolute; }
.toggle-switch { display: block; width: 44px; height: 24px; background: var(--border); border-radius: 100px; position: relative; cursor: pointer; transition: background var(--transition); }
.toggle-switch::after { content:''; display:block; width:18px; height:18px; background:#fff; border-radius:100px; position:absolute; top:3px; left:3px; transition: transform var(--transition); box-shadow: 0 1px 3px rgba(0,0,0,.4); }
input[type="checkbox"]:checked + .toggle-switch { background: var(--accent); }
input[type="checkbox"]:checked + .toggle-switch::after { transform: translateX(20px); }
input[type="checkbox"]:focus-visible + .toggle-switch { box-shadow: var(--shadow-glow); }
.toggle-title { font-size: .9rem; font-weight: 500; display: block; margin-bottom: 2px; }
.toggle-desc { font-size: .8rem; color: var(--text-secondary); line-height: 1.5; }

/* ---- Buttons ---- */
.btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: #fff; font-family: var(--font); font-size: .95rem; font-weight: 600; padding: 13px 28px; border: none; border-radius: var(--radius); cursor: pointer; transition: all .2s; letter-spacing: .1px; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(85,88,227,.4); }
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }
.btn-full { width: 100%; justify-content: center; }

.btn-ghost { display: inline-flex; align-items: center; gap: 6px; background: transparent; color: var(--text-secondary); font-family: var(--font); font-size: .875rem; font-weight: 500; padding: 10px 18px; border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; transition: all var(--transition); }
.btn-ghost:hover { color: var(--text-primary); border-color: rgba(255,255,255,.2); background: var(--bg-card-hover); }
.btn-sm { padding: 7px 14px; font-size: .8rem; }

.btn-danger { display: inline-flex; align-items: center; gap: 6px; background: transparent; color: var(--error); font-family: var(--font); font-size: .8rem; font-weight: 500; padding: 7px 14px; border: 1px solid rgba(239,68,68,.3); border-radius: var(--radius-sm); cursor: pointer; transition: all var(--transition); }
.btn-danger:hover { background: var(--error-bg); border-color: var(--error); }

.btn-download { display: inline-flex; align-items: center; gap: 8px; background: linear-gradient(135deg,#22c55e,#16a34a); color: #fff; font-weight: 600; font-size: .95rem; padding: 13px 28px; border-radius: var(--radius); transition: all .2s; }
.btn-download:hover { color: #fff; filter: brightness(1.1); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(34,197,94,.3); }

/* ---- Action Row ---- */
.action-row { display: flex; justify-content: center; margin: 8px 0 16px; }

/* ---- Progress ---- */
.progress-card { padding: 20px 24px; }
.progress-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.progress-label { font-size: .9rem; font-weight: 500; }
.progress-pct { font-size: .85rem; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.progress-bar-track { height: 6px; background: var(--bg-input); border-radius: 100px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg,var(--accent),#a78bfa); border-radius: 100px; transition: width .4s ease; }
.progress-detail { font-size: .8rem; color: var(--text-muted); margin-top: 8px; }

/* ---- Result ---- */
.result-card { text-align: center; padding: 36px 24px; }
.result-icon { color: var(--success); margin-bottom: 16px; }
.result-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; }
.result-desc { color: var(--text-secondary); font-size: .92rem; margin-bottom: 16px; }
.result-errors { background: var(--warning-bg); border: 1px solid rgba(245,158,11,.3); border-radius: var(--radius-sm); padding: 12px 16px; font-size: .82rem; color: var(--warning); text-align: left; margin-bottom: 16px; }
.result-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ---- Error ---- */
.error-card { text-align: center; padding: 36px 24px; border-color: rgba(239,68,68,.3); background: rgba(239,68,68,.03); }
.error-icon { color: var(--error); margin-bottom: 16px; }
.error-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; color: var(--error); }
.error-msg { color: var(--text-secondary); font-size: .9rem; margin-bottom: 20px; }

/* ---- Login ---- */
.login-overlay { display: flex; align-items: center; justify-content: center; min-height: calc(100vh - 58px - 52px); padding: 24px; }
.login-card { width: 100%; max-width: 380px; text-align: center; padding: 36px 32px; }
.login-icon { color: var(--accent); margin-bottom: 16px; }
.login-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.login-desc { color: var(--text-secondary); font-size: .875rem; margin-bottom: 24px; }
.login-form { display: flex; flex-direction: column; gap: 12px; }
.login-error { font-size: .82rem; color: var(--error); background: var(--error-bg); border: 1px solid rgba(239,68,68,.25); border-radius: var(--radius-sm); padding: 8px 12px; text-align: left; }

/* ---- Stats page ---- */
.page-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; margin-bottom: 24px; }
.page-header h1 { font-size: 1.7rem; font-weight: 700; }
.header-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.stats-summary { display: grid; grid-template-columns: repeat(auto-fit,minmax(170px,1fr)); gap: 14px; margin-bottom: 16px; }
.summary-card { display: flex; align-items: center; gap: 16px; padding: 18px 20px; }
.summary-icon { width: 44px; height: 44px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.summary-icon-blue   { background: rgba(59,130,246,.15); color: var(--blue); }
.summary-icon-purple { background: rgba(139,92,246,.15); color: var(--purple); }
.summary-icon-green  { background: rgba(16,185,129,.15); color: var(--green); }
.summary-icon-orange { background: rgba(249,115,22,.15);  color: var(--orange); }
.summary-label { font-size: .78rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: .5px; }
.summary-value { font-size: 1.6rem; font-weight: 700; letter-spacing: -.5px; }

/* ---- Table ---- */
.table-card { padding: 0; overflow: hidden; }
.table-toolbar { display: flex; align-items: center; gap: 14px; padding: 16px 20px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.search-input { max-width: 280px; }
.table-wrap { overflow-x: auto; }
.stats-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
.stats-table th { background: var(--bg-surface); color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; padding: 10px 14px; white-space: nowrap; border-bottom: 1px solid var(--border); text-align: left; }
.stats-table th.text-center { text-align: center; }
.stats-table th.text-right  { text-align: right; }
.stats-table td { padding: 9px 14px; border-bottom: 1px solid var(--border); color: var(--text-secondary); white-space: nowrap; max-width: 200px; overflow: hidden; text-overflow: ellipsis; vertical-align: middle; }
.stats-table tr:last-child td { border-bottom: none; }
.stats-table tr:hover td { background: rgba(255,255,255,.02); }
.stats-table td.text-center { text-align: center; }
.stats-table td.text-right  { text-align: right; font-variant-numeric: tabular-nums; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 100px; font-size: .72rem; font-weight: 600; line-height: 1.6; }
.badge-yes     { background: var(--success-bg); color: var(--success); }
.badge-no      { background: rgba(255,255,255,.04); color: var(--text-muted); }
.badge-ai      { background: rgba(139,92,246,.15); color: var(--purple); }
.badge-lanczos { background: rgba(59,130,246,.12);  color: var(--blue); }
.badge-none    { color: var(--text-muted); }
.table-loading, .table-empty { text-align: center; padding: 40px; color: var(--text-muted); }
.table-empty { font-style: italic; }
.table-footer { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; border-top: 1px solid var(--border); font-size: .8rem; color: var(--text-muted); }

/* ---- Footer ---- */
.footer { background: var(--bg-surface); border-top: 1px solid var(--border); text-align: center; padding: 16px; font-size: .82rem; color: var(--text-muted); }
.footer a { color: var(--text-secondary); }
.footer a:hover { color: var(--text-primary); }

/* ---- Utility ---- */
.hidden { display: none !important; }

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .navbar { padding: 0 16px; }
  .container { padding: 24px 14px; }
  .hero h1 { font-size: 1.7rem; }
  .options-grid { grid-template-columns: 1fr; }
  .option-group.span-2 { grid-column: span 1; }
  .card { padding: 18px 16px; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .header-actions { width: 100%; }
  .stats-summary { grid-template-columns: 1fr 1fr; }
  .result-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-download { width: 100%; justify-content: center; }
}
@media (max-width: 400px) {
  .stats-summary { grid-template-columns: 1fr; }
}