/* ═══════════════════════════════════════════════
   CV Shield — Design System & Styles
   ═══════════════════════════════════════════════ */

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

:root {
  /* Surfaces */
  --bg-primary:    #0a0e1a;
  --bg-secondary:  #111827;
  --bg-card:       rgba(17, 24, 39, 0.65);
  --bg-card-hover: rgba(31, 41, 55, 0.75);
  --border-color:  rgba(255, 255, 255, 0.06);
  --border-glow:   rgba(99, 102, 241, 0.25);

  /* Text */
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;

  /* Accents */
  --accent-indigo:  #818cf8;
  --accent-violet:  #a78bfa;
  --accent-blue:    #60a5fa;

  /* Severity */
  --clr-safe:     #34d399;
  --clr-low:      #6ee7b7;
  --clr-medium:   #fbbf24;
  --clr-high:     #f97316;
  --clr-critical: #ef4444;

  /* Misc */
  --radius:  16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.35);

  /* Sidebar */
  --sidebar-w: 300px;

  /* Gauge */
  --gauge-circumference: 326.73;   /* 2 * π * 52 */
  --gauge-offset: 326.73;
}

html { font-size: 15px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── Ambient blobs ── */
.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}
.blob-1 { width: 600px; height: 600px; background: #6366f1; top: -200px; right: -100px; animation: float 20s ease-in-out infinite; }
.blob-2 { width: 500px; height: 500px; background: #8b5cf6; bottom: -150px; left: -100px; animation: float 25s ease-in-out infinite reverse; }
.blob-3 { width: 350px; height: 350px; background: #3b82f6; top: 40%; left: 40%; animation: float 18s ease-in-out infinite 5s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ── Layout ── */
.app-container {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ════════════════ SIDEBAR ════════════════ */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 50;
  transition: transform var(--transition);
}

.sidebar-header { padding: 28px 24px 20px; border-bottom: 1px solid var(--border-color); }
.logo { display: flex; align-items: center; gap: 14px; }
.logo-icon { font-size: 2rem; line-height: 1; }
.logo-text { font-size: 1.35rem; font-weight: 800; background: linear-gradient(135deg, var(--accent-indigo), var(--accent-violet)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.logo-sub { font-size: 0.72rem; color: var(--text-muted); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 2px; }

.sidebar-section { flex: 1; padding: 20px 16px; overflow-y: auto; }
.sidebar-title { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.8px; color: var(--text-muted); margin-bottom: 12px; padding: 0 8px; }

/* History */
.history-list { display: flex; flex-direction: column; gap: 6px; }
.history-empty { text-align: center; padding: 40px 16px; color: var(--text-muted); }
.history-empty-icon { font-size: 2rem; display: block; margin-bottom: 8px; }
.history-empty p { font-size: 0.85rem; }

.history-item {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.history-item:hover { background: rgba(255,255,255,0.06); border-color: var(--border-glow); }
.history-item.active { background: rgba(99,102,241,0.1); border-color: var(--accent-indigo); }
.history-name { font-size: 0.85rem; font-weight: 500; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-meta { display: flex; justify-content: space-between; align-items: center; }
.history-time { font-size: 0.7rem; color: var(--text-muted); }
.history-badge {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 2px 8px;
  border-radius: 50px;
  color: #fff;
}
.badge-safe     { background: var(--clr-safe); color: #064e3b; }
.badge-low      { background: var(--clr-low); color: #064e3b; }
.badge-medium   { background: var(--clr-medium); color: #78350f; }
.badge-high     { background: var(--clr-high); color: #fff; }
.badge-critical { background: var(--clr-critical); color: #fff; }

.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.stat-row { display: flex; justify-content: space-between; font-size: 0.8rem; }
.stat-label { color: var(--text-muted); }
.stat-value { font-weight: 700; color: var(--accent-indigo); }
.stat-danger { color: var(--clr-critical); }

/* ════════════════ MAIN ════════════════ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 32px 40px 60px;
  min-height: 100vh;
}

.main-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 36px;
}
.menu-toggle { display: none; }   /* shown on mobile */
.page-title { font-size: 1.6rem; font-weight: 700; }
.page-subtitle { font-size: 0.85rem; color: var(--text-secondary); margin-top: 2px; }
.header-badge {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--clr-safe);
  background: rgba(52, 211, 153, 0.08);
  padding: 8px 16px;
  border-radius: 50px;
  border: 1px solid rgba(52, 211, 153, 0.2);
}
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--clr-safe);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* ════════════════ UPLOAD ZONE ════════════════ */
.upload-section { max-width: 680px; margin: 0 auto; }

.upload-zone {
  position: relative;
  border: 2px dashed rgba(129, 140, 248, 0.3);
  border-radius: var(--radius);
  padding: 4px;
  cursor: pointer;
  transition: all var(--transition);
  background: linear-gradient(135deg, rgba(99,102,241,0.03), rgba(139,92,246,0.03));
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent-indigo);
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(139,92,246,0.08));
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(99,102,241,0.15);
}
.upload-zone.drag-over {
  border-style: solid;
  animation: borderPulse 1s ease-in-out infinite;
}
@keyframes borderPulse {
  0%, 100% { border-color: var(--accent-indigo); }
  50% { border-color: var(--accent-violet); }
}

.upload-zone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 32px;
  border-radius: calc(var(--radius) - 4px);
  text-align: center;
}
.upload-icon {
  color: var(--accent-indigo);
  margin-bottom: 20px;
  animation: bobUpDown 3s ease-in-out infinite;
}
@keyframes bobUpDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.upload-title { font-size: 1.2rem; font-weight: 600; margin-bottom: 6px; }
.upload-subtitle { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 16px; }
.upload-hint { font-size: 0.72rem; color: var(--text-muted); background: rgba(255,255,255,0.04); padding: 6px 16px; border-radius: 50px; }

/* ════════════════ PROGRESS ════════════════ */
.progress-section { max-width: 680px; margin: 0 auto; }
.progress-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(20px);
}
.progress-header { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.spinner {
  width: 24px; height: 24px;
  border: 3px solid rgba(129,140,248,0.2);
  border-top-color: var(--accent-indigo);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.progress-text { font-weight: 500; }

.progress-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 50px;
  overflow: hidden;
  margin-bottom: 20px;
}
.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-indigo), var(--accent-violet));
  border-radius: 50px;
  transition: width 0.4s ease;
}

.progress-steps { display: flex; justify-content: space-between; }
.progress-steps .step {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color var(--transition);
}
.progress-steps .step.active { color: var(--accent-indigo); font-weight: 600; }
.progress-steps .step.done { color: var(--clr-safe); }

/* ════════════════ RESULTS ════════════════ */
.results-grid {
  display: grid;
  grid-template-columns: 260px 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all var(--transition);
}
.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 8px 32px rgba(99,102,241,0.08);
}

.card-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Score gauge */
.score-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.score-gauge-wrapper {
  position: relative;
  width: 140px;
  height: 140px;
  margin-bottom: 16px;
}
.score-gauge { width: 100%; height: 100%; transform: rotate(-90deg); }
.gauge-bg {
  fill: none;
  stroke: rgba(255,255,255,0.05);
  stroke-width: 8;
}
.gauge-fill {
  fill: none;
  stroke: var(--clr-safe);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: var(--gauge-circumference);
  stroke-dashoffset: var(--gauge-offset);
  transition: stroke-dashoffset 1.2s cubic-bezier(.4,0,.2,1), stroke 0.5s ease;
}
.score-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 800;
}
.score-label { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 8px; }
.risk-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 18px;
  border-radius: 50px;
}

/* Info grid */
.info-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.info-row { display: flex; justify-content: space-between; }
.info-label { color: var(--text-muted); font-size: 0.8rem; }
.info-value { font-size: 0.8rem; font-weight: 500; text-align: right; max-width: 60%; word-break: break-all; }

/* Summary */
.summary-text { font-size: 0.9rem; line-height: 1.7; margin-bottom: 16px; }
.recommendations { display: flex; flex-direction: column; gap: 8px; }
.rec-item {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 8px 12px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-xs);
  border-left: 3px solid var(--accent-indigo);
}

/* ════════════════ SANITIZATION CARD ════════════════ */
.sanitization-card { margin-bottom: 24px; }
.sanitization-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.sanitization-badge.badge-safe {
  background: rgba(52, 211, 153, 0.1);
  color: var(--clr-safe);
  border: 1px solid rgba(52, 211, 153, 0.2);
}
.sanitization-badge.badge-warning {
  background: rgba(251, 191, 36, 0.1);
  color: var(--clr-medium);
  border: 1px solid rgba(251, 191, 36, 0.2);
}
.sanitization-clean { font-size: 0.82rem; color: var(--text-secondary); }
.sanitization-details { display: flex; flex-direction: column; gap: 6px; }
.sanitization-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: rgba(239, 68, 68, 0.06);
  border-radius: var(--radius-xs);
  border-left: 3px solid var(--clr-critical);
}
.sanitization-label { font-size: 0.78rem; color: var(--text-secondary); }
.sanitization-count { font-size: 0.75rem; font-weight: 700; color: var(--clr-critical); }

.isolation-template-wrapper { margin-top: 20px; }
.template-title { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.isolation-template {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.72rem;
  line-height: 1.6;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 300px;
  overflow-y: auto;
}
.btn-copy {
  margin-top: 10px;
  padding: 8px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(129, 140, 248, 0.1);
  color: var(--accent-indigo);
  border: 1px solid rgba(129, 140, 248, 0.25);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-copy:hover {
  background: rgba(129, 140, 248, 0.2);
  transform: translateY(-1px);
}

/* Findings */
.findings-card { margin-bottom: 32px; }
.findings-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.findings-count { font-size: 0.75rem; color: var(--text-muted); background: rgba(255,255,255,0.04); padding: 4px 12px; border-radius: 50px; }
.findings-body { display: flex; flex-direction: column; gap: 8px; }
.no-findings { color: var(--text-muted); text-align: center; padding: 32px; }

.finding-row {
  display: grid;
  grid-template-columns: 90px 90px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
  animation: fadeSlideIn 0.3s ease both;
}
.finding-row:hover { background: rgba(255,255,255,0.04); border-color: var(--border-glow); }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.finding-check {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.finding-severity {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 3px 10px;
  border-radius: 50px;
  text-align: center;
  color: #fff;
  width: fit-content;
}
.severity-critical { background: var(--clr-critical); }
.severity-high     { background: var(--clr-high); }
.severity-medium   { background: var(--clr-medium); color: #78350f; }
.severity-low      { background: var(--clr-low); color: #064e3b; }
.finding-message { font-size: 0.82rem; color: var(--text-secondary); }

/* New scan button */
.btn-new-scan {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-violet));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-new-scan:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(129,140,248,0.3); }

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

/* ── Error toast ── */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  padding: 16px 24px;
  background: rgba(239, 68, 68, 0.95);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  animation: toastIn 0.4s ease, toastOut 0.4s ease 3.6s forwards;
}
@keyframes toastIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(20px); } }

/* ════════════════ RESPONSIVE ════════════════ */
@media (max-width: 1100px) {
  .results-grid { grid-template-columns: 1fr 1fr; }
  .score-card { grid-column: 1 / -1; flex-direction: row; gap: 32px; }
  .score-gauge-wrapper { margin-bottom: 0; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); box-shadow: 12px 0 40px rgba(0,0,0,0.5); }

  .main-content { margin-left: 0; padding: 24px 20px 48px; }

  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
  }
  .menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
  }

  .results-grid { grid-template-columns: 1fr; }
  .score-card { flex-direction: column; }

  .finding-row { grid-template-columns: 1fr; gap: 6px; }

  .header-badge { display: none; }
}