/* ============================================================
   FlexCatering Report Processor — Futuristic Web UI
   ============================================================ */

/* ── Fonts ─────────────────────────────────────────────────── */
/* Space Grotesk + JetBrains Mono loaded via <link> in HTML    */

/* ── Design tokens ─────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-root:        #020817;
  --bg-card:        rgba(8, 18, 38, 0.82);
  --bg-card-header: rgba(5, 12, 28, 0.90);
  --bg-input:       rgba(12, 24, 50, 0.90);
  --bg-drop-zone:   rgba(6, 16, 36, 0.75);

  /* Accent colours */
  --cyan:         #00D4FF;
  --cyan-dim:     rgba(0, 212, 255, 0.12);
  --cyan-glow:    rgba(0, 212, 255, 0.35);
  --blue:         #3B82F6;
  --purple:       #8B5CF6;
  --success:      #10B981;
  --warning:      #F59E0B;
  --error:        #EF4444;

  /* Text */
  --text-bright:    #F0F9FF;
  --text-primary:   #CBD5E1;
  --text-secondary: #94A3B8;
  --text-muted:     #4A5568;

  /* Borders */
  --border-card:    rgba(0, 212, 255, 0.10);
  --border-default: rgba(0, 212, 255, 0.07);
  --border-active:  rgba(0, 212, 255, 0.35);

  /* Shape */
  --radius-card:  16px;
  --radius-btn:   10px;
  --radius-input: 10px;
  --radius-badge: 6px;

  /* Spacing */
  --pad-xs: 4px;
  --pad-sm: 8px;
  --pad-md: 16px;
  --pad-lg: 24px;
  --pad-xl: 32px;

  /* Layout */
  --header-height:    70px;
  --drop-zone-height: 186px;

  /* Typography */
  --font-sans: "Space Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", "Consolas", monospace;

  /* Motion */
  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);

  /* Glow presets */
  --glow-cyan:    0 0 18px rgba(0, 212, 255, 0.28), 0 0 36px rgba(0, 212, 255, 0.10);
  --glow-blue:    0 0 18px rgba(59, 130, 246, 0.28), 0 0 36px rgba(59, 130, 246, 0.10);
  --glow-success: 0 0 18px rgba(16, 185, 129, 0.28), 0 0 36px rgba(16, 185, 129, 0.10);
}

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

html, body {
  min-height: 100%;
  background: var(--bg-root);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Background: animated grid ─────────────────────────────── */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.022) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* ── Background: soft radial glows ─────────────────────────── */
.bg-glow {
  position: fixed;
  z-index: 0;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  animation: glow-breathe 9s ease-in-out infinite;
}

.bg-glow-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.18) 0%, transparent 70%);
  top: -280px; left: -250px;
  animation-delay: 0s;
}

.bg-glow-2 {
  width: 550px; height: 550px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18) 0%, transparent 70%);
  bottom: -180px; right: -180px;
  animation-delay: 4.5s;
}

@keyframes glow-breathe {
  0%, 100% { opacity: 0.90; transform: scale(1.00); }
  50%       { opacity: 1.00; transform: scale(1.08); }
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar        { width: 5px; height: 5px; }
::-webkit-scrollbar-track  { background: transparent; }
::-webkit-scrollbar-thumb  { background: rgba(0, 212, 255, 0.18); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 212, 255, 0.45); }

/* ── Header ─────────────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-height);
  background: rgba(2, 8, 23, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad-xl);
}

/* Chromatic accent line under header */
.app-header::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(0, 212, 255, 0.6) 25%,
    rgba(139, 92, 246, 0.6) 75%,
    transparent 100%
  );
}

.header-left  { display: flex; align-items: center; gap: 14px; }

.header-logo {
  width: 38px; height: 38px;
  color: var(--cyan);
  animation: logo-pulse 3s ease-in-out infinite;
  flex-shrink: 0;
}
.header-logo svg { width: 100%; height: 100%; }

@keyframes logo-pulse {
  0%, 100% { filter: drop-shadow(0 0  8px rgba(0,212,255,.5)); opacity: 1.0; }
  50%       { filter: drop-shadow(0 0 18px rgba(0,212,255,.9)); opacity: 0.85; }
}

.header-brand   { display: flex; flex-direction: column; gap: 1px; }

.header-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.4px;
  line-height: 1;
}
.title-accent { color: var(--cyan); }
.title-main   { color: var(--text-bright); }

.header-sub {
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 3px;
  color: var(--text-muted);
  font-weight: 500;
}

.header-right { display: flex; align-items: center; gap: 12px; }

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: var(--success);
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
  animation: dot-pulse 2.2s ease-in-out infinite;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1;   box-shadow: 0 0  6px var(--success); }
  50%       { opacity: 0.5; box-shadow: 0 0 14px var(--success); }
}

.version-badge {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.5px;
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.07);
  border: 1px solid rgba(0, 212, 255, 0.22);
  border-radius: var(--radius-badge);
  padding: 4px 10px;
}

/* ── Main layout ────────────────────────────────────────────── */
.app-main {
  position: relative;
  z-index: 1;
  padding: var(--pad-lg) var(--pad-xl) var(--pad-xl);
  max-width: 1020px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Card ────────────────────────────────────────────────────── */
.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: rgba(0, 212, 255, 0.2);
}

/* Left accent bar — appears on hover */
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 20px; bottom: 20px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--purple));
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover::before { opacity: 0.55; }

.card-header {
  background: var(--bg-card-header);
  padding: 11px var(--pad-md);
  border-bottom: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
}

.card-step {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.07);
  border: 1px solid rgba(0, 212, 255, 0.22);
  border-radius: 5px;
  padding: 2px 7px;
  flex-shrink: 0;
}

.card-title {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1.8px;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 7px;
  flex: 1;
}
.card-title .icon { color: var(--cyan); flex-shrink: 0; }

.card-body { padding: var(--pad-md) var(--pad-lg) var(--pad-lg); }

/* ── Shared icon size ────────────────────────────────────────── */
.icon { width: 15px; height: 15px; flex-shrink: 0; }

/* ── Mode selector ──────────────────────────────────────────── */
.mode-selector {
  display: flex;
  align-items: center;
  gap: var(--pad-md);
  flex-wrap: wrap;
}

.mode-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}

.mode-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border-default);
  border-radius: 11px;
  padding: 4px;
  gap: 4px;
}

.mode-tab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 20px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.mode-tab:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.mode-tab.active {
  background: linear-gradient(135deg, rgba(0,212,255,0.16), rgba(59,130,246,0.16));
  color: var(--cyan);
  border-color: rgba(0, 212, 255, 0.28);
  box-shadow: var(--glow-cyan);
}

.tab-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.mode-tab.active .tab-dot { opacity: 1; box-shadow: 0 0 6px currentColor; }

.mode-hint {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-muted);
}

/* ── Drop zone ───────────────────────────────────────────────── */
.drop-zone {
  background: var(--bg-drop-zone);
  border: 2px dashed rgba(0, 212, 255, 0.22);
  border-radius: 14px;
  min-height: var(--drop-zone-height);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  padding: var(--pad-lg);
  margin-bottom: var(--pad-md);
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* Animated scan line on hover */
.drop-zone::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.5), transparent);
  top: 0;
  animation: scan 3.5s linear infinite;
  opacity: 0;
  transition: opacity var(--transition);
}
.drop-zone:hover::after,
.drop-zone.active::after { opacity: 1; }

@keyframes scan {
  0%   { top:  0%; }
  100% { top: 100%; }
}

.drop-zone:hover,
.drop-zone.active {
  border-color: var(--cyan);
  background: rgba(0, 212, 255, 0.04);
  box-shadow: 0 0 36px rgba(0,212,255,0.07), inset 0 0 28px rgba(0,212,255,0.04);
}

.drop-zone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  pointer-events: none;
}

.dz-icon-wrap {
  width: 54px; height: 54px;
  color: var(--cyan);
  opacity: 0.65;
  transition: all var(--transition);
  animation: float 3.2s ease-in-out infinite;
}
.dz-icon-wrap svg { width: 100%; height: 100%; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-7px); }
}

.drop-zone:hover .dz-icon-wrap,
.drop-zone.active .dz-icon-wrap {
  opacity: 1;
  filter: drop-shadow(0 0 14px rgba(0,212,255,0.7));
}

.drop-zone-main {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition);
}
.drop-zone-main.success { color: var(--success); }

.drop-zone-sub {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 440px;
}

.dz-format-chips {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.format-chip {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.8px;
  padding: 3px 9px;
  border-radius: 5px;
  background: rgba(0, 212, 255, 0.07);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--cyan);
}

.browse-row { display: flex; align-items: center; gap: var(--pad-sm); }

.file-info {
  display: none;
  align-items: center;
  gap: var(--pad-sm);
  background: rgba(16, 185, 129, 0.07);
  border: 1px solid rgba(16, 185, 129, 0.28);
  border-radius: var(--radius-input);
  padding: 7px 12px;
  font-size: 12px;
  flex: 1;
  animation: slide-in 0.22s var(--ease);
}

@keyframes slide-in {
  from { opacity: 0; transform: translateX(-10px); }
  to   { opacity: 1; transform: translateX(0); }
}

.file-info.visible { display: flex; }

.file-ok-icon { color: var(--success); }

.file-info-name {
  font-weight: 600;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--success);
}
.file-info-size {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.file-info-clear {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 3px;
  border-radius: 5px;
  transition: color var(--transition), background var(--transition);
  line-height: 1;
}
.file-info-clear:hover { color: var(--error); background: rgba(239,68,68,0.1); }

/* ── Settings card ───────────────────────────────────────────── */
.settings-row {
  display: flex;
  align-items: flex-start;
  gap: var(--pad-xl);
  flex-wrap: wrap;
}

.settings-group { display: flex; flex-direction: column; gap: 8px; }

.settings-group-filename { flex: 1; }

.settings-group-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--cyan);
}

.input-hint {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

.format-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border-default);
  border-radius: 11px;
  padding: 4px;
  gap: 4px;
}

.format-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.format-tab:hover:not(.active) { color: var(--text-primary); }

.format-tab.active {
  background: linear-gradient(135deg, rgba(0,212,255,0.13), rgba(59,130,246,0.13));
  color: var(--cyan);
  border-color: rgba(0, 212, 255, 0.25);
  font-weight: 600;
}

.text-input {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-input);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 14px;
  height: 42px;
  outline: none;
  transition: all var(--transition);
  width: 100%;
  min-width: 280px;
}

.text-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.10), var(--glow-cyan);
}
.text-input::placeholder { color: var(--text-muted); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: none;
  border-radius: var(--radius-btn);
  font-family: var(--font-sans);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1;
  text-decoration: none;
  font-size: 14px;
}

.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.32; cursor: not-allowed; pointer-events: none; }

/* Process (primary CTA) */
.btn-process {
  background: linear-gradient(135deg, rgba(0,212,255,0.14), rgba(59,130,246,0.14));
  color: var(--cyan);
  padding: 12px 28px;
  height: 48px;
  border: 1px solid rgba(0,212,255,0.32);
  box-shadow: var(--glow-cyan);
  font-size: 14px;
  letter-spacing: 0.4px;
}
.btn-process:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(0,212,255,0.22), rgba(59,130,246,0.22));
  box-shadow: 0 0 28px rgba(0,212,255,0.45), 0 0 56px rgba(0,212,255,0.12);
  transform: translateY(-1px);
  color: #fff;
  border-color: var(--cyan);
}
.btn-process:disabled {
  border-color: var(--border-default);
  color: var(--text-muted);
  box-shadow: none;
}

/* Secondary */
.btn-secondary {
  background: rgba(12, 24, 50, 0.85);
  color: var(--text-primary);
  padding: 9px 16px;
  font-size: 13px;
  height: 38px;
  border: 1px solid var(--border-card);
}
.btn-secondary:hover:not(:disabled) {
  background: rgba(0,212,255,0.07);
  border-color: rgba(0,212,255,0.3);
  color: var(--cyan);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 5px 12px;
  font-size: 12px;
  height: 30px;
  border: 1px solid transparent;
}
.btn-ghost:hover:not(:disabled) {
  background: rgba(0,212,255,0.05);
  border-color: var(--border-default);
  color: var(--cyan);
}

/* Success */
.btn-success {
  background: linear-gradient(135deg, rgba(16,185,129,0.25), rgba(16,185,129,0.15));
  color: var(--success);
  padding: 12px 24px;
  height: 48px;
  border: 1px solid rgba(16,185,129,0.32);
  box-shadow: var(--glow-success);
}
.btn-success:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(16,185,129,0.35), rgba(16,185,129,0.22));
  box-shadow: 0 0 28px rgba(16,185,129,0.45);
  transform: translateY(-1px);
  color: #fff;
}

/* Primary */
.btn-primary {
  background: linear-gradient(135deg, rgba(59,130,246,0.25), rgba(59,130,246,0.15));
  color: var(--blue);
  padding: 12px 24px;
  height: 48px;
  border: 1px solid rgba(59,130,246,0.32);
  box-shadow: var(--glow-blue);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(59,130,246,0.35), rgba(59,130,246,0.22));
  box-shadow: 0 0 28px rgba(59,130,246,0.45);
  transform: translateY(-1px);
  color: #fff;
}

/* Download */
.btn-download {
  background: linear-gradient(135deg, rgba(16,185,129,0.18), rgba(16,185,129,0.10));
  color: var(--success);
  padding: 10px 20px;
  height: 42px;
  font-size: 13px;
  border: 1px solid rgba(16,185,129,0.32);
  box-shadow: var(--glow-success);
}
.btn-download:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(16,185,129,0.28), rgba(16,185,129,0.18));
  box-shadow: 0 0 28px rgba(16,185,129,0.45);
  transform: translateY(-1px);
  color: #fff;
}

/* Danger */
.btn-danger {
  background: rgba(239,68,68,0.10);
  color: var(--error);
  padding: 9px 16px;
  font-size: 13px;
  height: 38px;
  border: 1px solid rgba(239,68,68,0.28);
}
.btn-danger:hover:not(:disabled) {
  background: rgba(239,68,68,0.20);
  box-shadow: 0 0 20px rgba(239,68,68,0.25);
}

/* ── Progress bar ────────────────────────────────────────────── */
.progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.progress-track {
  flex: 1;
  height: 5px;
  background: rgba(0, 212, 255, 0.07);
  border: 1px solid rgba(0, 212, 255, 0.09);
  border-radius: 3px;
  overflow: visible;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--blue), var(--cyan));
  background-size: 300%;
  border-radius: 3px;
  width: 0%;
  transition: width 0.35s var(--ease);
  animation: gradient-shift 4s linear infinite;
  position: relative;
}

/* Leading glow dot */
.progress-fill::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  transform: translateY(-50%);
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan), 0 0 20px rgba(0,212,255,0.5);
  opacity: 0;
  transition: opacity var(--transition);
}

.progress-fill[style*="width"]:not([style*="0%"])::after { opacity: 1; }

.progress-fill.indeterminate {
  width: 38% !important;
  animation:
    progress-slide 1.3s ease-in-out infinite,
    gradient-shift 4s linear infinite;
}

.progress-fill.indeterminate::after { opacity: 1; }

@keyframes gradient-shift {
  0%   { background-position:   0%; }
  100% { background-position: 300%; }
}

@keyframes progress-slide {
  0%   { transform: translateX(-130%); }
  100% { transform: translateX(350%); }
}

.progress-pct {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--cyan);
  min-width: 36px;
  text-align: right;
  flex-shrink: 0;
}

.process-row {
  display: flex;
  align-items: center;
  gap: var(--pad-md);
  flex-wrap: wrap;
  margin-top: 4px;
}

.status-text {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
  letter-spacing: 0.2px;
}
.status-text.success { color: var(--success); }
.status-text.error   { color: var(--error); }

/* ── Summary panel ───────────────────────────────────────────── */
.summary-panel {
  display: none;
  margin-top: 20px;
  background: rgba(0, 212, 255, 0.03);
  border: 1px solid rgba(0, 212, 255, 0.14);
  border-radius: 12px;
  padding: var(--pad-lg);
  gap: var(--pad-xl);
  align-items: center;
  flex-wrap: wrap;
  animation: fade-up 0.38s var(--ease);
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.summary-panel.visible { display: flex; }

.stat-block { display: flex; flex-direction: column; gap: 5px; min-width: 72px; }

.stat-label {
  font-family: var(--font-mono);
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.75;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--text-bright);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 24px rgba(0,212,255,0.20);
}

.summary-actions { margin-left: auto; display: flex; gap: var(--pad-sm); flex-wrap: wrap; }

/* ── Issues panels ───────────────────────────────────────────── */
.issues-panel {
  display: none;
  background: rgba(239,68,68,0.05);
  border: 1px solid rgba(239,68,68,0.20);
  border-radius: 10px;
  padding: var(--pad-sm) var(--pad-md);
  margin-top: var(--pad-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--error);
  max-height: 100px;
  overflow-y: auto;
}

.issues-panel.warning-mode {
  background: rgba(245,158,11,0.05);
  border-color: rgba(245,158,11,0.20);
  color: var(--warning);
}

.issues-panel.visible { display: block; }
.issues-panel li { padding: 2px 0 2px 8px; list-style: none; line-height: 1.65; }
.issues-panel li::before { content: "›  "; opacity: 0.65; }

/* ── Preview table ───────────────────────────────────────────── */
#preview-section         { display: none; }
#preview-section.visible { display: block; }

.preview-scroll {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--border-card);
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.preview-table thead tr { background: rgba(0,212,255,0.05); }

.preview-table thead th {
  padding: 10px 14px;
  text-align: left;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(0,212,255,0.18);
  white-space: nowrap;
}

.preview-table tbody tr { transition: background var(--transition); }
.preview-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.018); }
.preview-table tbody tr:hover { background: rgba(0,212,255,0.048); }

.preview-table tbody td {
  padding: 8px 14px;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(0,212,255,0.045);
}

.preview-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-muted);
  padding: var(--pad-sm) 0 0;
  letter-spacing: 0.3px;
}

/* ── Activity log ────────────────────────────────────────────── */
.log-box {
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: var(--pad-sm) var(--pad-md);
  height: 176px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  position: relative;
}

/* CRT scan-line texture */
.log-box::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.04) 2px,
    rgba(0,0,0,0.04) 4px
  );
  pointer-events: none;
  border-radius: inherit;
}

.log-entry         { display: block; }
.log-entry .ts     { color: rgba(0,212,255,0.28); user-select: none; margin-right: 6px; }
.log-entry.info    .msg { color: var(--text-secondary); }
.log-entry.success .msg { color: var(--success); }
.log-entry.warning .msg { color: var(--warning); }
.log-entry.error   .msg { color: var(--error); }

/* ── Footer ──────────────────────────────────────────────────── */
.app-footer {
  position: relative;
  z-index: 1;
  background: rgba(2, 8, 23, 0.92);
  border-top: 1px solid var(--border-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 12px var(--pad-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
  margin-top: var(--pad-xl);
}

.footer-left { display: flex; align-items: center; gap: 8px; }
.footer-hex  { font-size: 15px; color: var(--cyan); opacity: 0.4; }

/* ── Toast notifications ─────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: var(--pad-lg);
  right: var(--pad-lg);
  display: flex;
  flex-direction: column;
  gap: var(--pad-sm);
  z-index: 9999;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 12px;
  min-width: 280px;
  max-width: 420px;
  font-size: 13px;
  pointer-events: auto;
  opacity: 0;
  transform: translateX(22px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  border-left: 3px solid transparent;
  word-break: break-word;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.toast.visible { opacity: 1; transform: translateX(0); }

.toast-success {
  background: rgba(8, 32, 26, 0.96);
  border-color: var(--success);
  color: #A7F3D0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.6), 0 0 28px rgba(16,185,129,0.12);
}
.toast-error {
  background: rgba(36, 10, 10, 0.96);
  border-color: var(--error);
  color: #FECACA;
  box-shadow: 0 8px 24px rgba(0,0,0,0.6), 0 0 28px rgba(239,68,68,0.12);
}
.toast-warning {
  background: rgba(36, 24, 6, 0.96);
  border-color: var(--warning);
  color: #FDE68A;
  box-shadow: 0 8px 24px rgba(0,0,0,0.6), 0 0 28px rgba(245,158,11,0.12);
}
.toast-info {
  background: rgba(6, 16, 38, 0.96);
  border-color: var(--cyan);
  color: #A5F3FC;
  box-shadow: 0 8px 24px rgba(0,0,0,0.6), 0 0 28px rgba(0,212,255,0.12);
}

.toast-icon    { font-size: 15px; flex-shrink: 0; margin-top: 1px; }
.toast-message { flex: 1; line-height: 1.4; font-family: var(--font-sans); }
.toast-close {
  background: none; border: none; color: inherit; opacity: 0.5;
  cursor: pointer; font-size: 18px; padding: 0 0 0 8px; line-height: 1;
  flex-shrink: 0;
}
.toast-close:hover { opacity: 1; }

/* ── Spinner ─────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 15px; height: 15px;
  border: 2px solid rgba(0,212,255,0.18);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  vertical-align: middle;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Utility ─────────────────────────────────────────────────── */
.hidden          { display: none !important; }
.flex            { display: flex; }
.flex-1          { flex: 1; }
.gap-sm          { gap: var(--pad-sm); }
.gap-md          { gap: var(--pad-md); }
.items-center    { align-items: center; }
.justify-between { justify-content: space-between; }
.mt-sm           { margin-top: var(--pad-sm); }
.mt-md           { margin-top: var(--pad-md); }
.text-muted      { color: var(--text-muted); }
.text-success    { color: var(--success); }
.text-error      { color: var(--error); }
.text-sm         { font-size: 12px; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 700px) {
  .app-main      { padding: var(--pad-sm) var(--pad-sm) var(--pad-md); gap: 10px; }
  .app-header    { padding: 0 var(--pad-md); }
  .card-body     { padding: var(--pad-md); }
  .settings-row  { flex-direction: column; gap: var(--pad-md); }
  .process-row   { flex-direction: column; align-items: flex-start; }
  .summary-actions { margin-left: 0; }
  .text-input    { min-width: unset; }
  .mode-hint     { display: none; }
  .bg-glow       { display: none; }
  .status-indicator { display: none; }
  .header-sub    { display: none; }
}