:root {
  --bg-color: #0A1A12;
  --panel-bg: rgba(16, 185, 129, 0.05);
  --panel-border: rgba(16, 185, 129, 0.2);
  --text-main: #F3F4F6;
  --text-muted: #9CA3AF;
  --primary: #10B981;
  --primary-hover: #059669;
  --secondary: #6EE7B7;
  --accent: #F59E0B;
  --danger: #EF4444;
  --danger-light: rgba(239, 68, 68, 0.1);
  --success-light: rgba(16, 185, 129, 0.1);
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 12px;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 1rem;
}

.app-container {
  width: 100%;
  max-width: 750px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Header */
header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 1.5rem;
}

.header-icon {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
}

.header-text h1 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.header-text p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* Scanner Panel */
.scanner-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.input-group label {
  font-weight: 600;
  color: var(--text-main);
  font-size: 1.05rem;
}

.input-wrapper {
  display: flex;
  position: relative;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  pointer-events: none;
}

input[type="email"] {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  font-size: 1.1rem;
  font-family: monospace;
  transition: border-color 0.2s;
}

input[type="email"]:focus {
  outline: none;
  border-color: var(--primary);
}

.primary-btn {
  position: absolute;
  right: 0.25rem;
  top: 0.25rem;
  bottom: 0.25rem;
  background: var(--primary);
  color: var(--bg-color);
  border: none;
  border-radius: 8px;
  padding: 0 1.25rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.primary-btn:hover {
  background: var(--primary-hover);
}

.crypto-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Batch Mode */
.batch-mode {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.text-btn {
  align-self: flex-start;
  background: none;
  border: none;
  color: var(--secondary);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.text-btn:hover {
  color: var(--primary);
}

textarea#batchInput {
  width: 100%;
  height: 120px;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  color: #fff;
  padding: 1rem;
  font-family: monospace;
  resize: vertical;
  margin-top: 0.5rem;
  transition: opacity 0.3s, max-height 0.3s;
}

textarea#batchInput.hidden {
  display: none;
}

/* Results Dashboard */
.results-dashboard {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  animation: fadeIn 0.4s ease-out;
}

.summary-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  position: relative;
}

.summary-card.clean {
  border-color: var(--primary);
  box-shadow: 0 0 20px var(--success-light);
}

.summary-card.clean .status-icon {
  color: var(--primary);
}

.summary-card.breached {
  border-color: var(--danger);
  box-shadow: 0 0 20px var(--danger-light);
}

.summary-card.breached .status-icon {
  color: var(--danger);
}

.status-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-icon svg {
  width: 100%;
  height: 100%;
}

.summary-text {
  flex: 1;
}

.summary-text h2 {
  font-size: 1.4rem;
  margin-bottom: 0.25rem;
}

.summary-text p {
  color: var(--text-muted);
}

#exportBtn {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--panel-border);
  color: var(--text-main);
  border: 1px solid var(--panel-border);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  transition: background 0.2s;
}

#exportBtn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* K-Anonymity Visualizer */
.k-anonymity-visualizer {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.k-anon-header {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.hash-visualization {
  font-family: monospace;
  font-size: 1.2rem;
  word-break: break-all;
  display: flex;
  align-items: center;
}

.hash-prefix {
  background: var(--primary);
  color: #000;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-weight: bold;
}

.hash-suffix {
  color: var(--text-muted);
  padding: 0.2rem 0.4rem;
}

/* Breach List */
.breach-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.breach-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--panel-border);
  border-left: 4px solid var(--danger);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.breach-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}

.breach-source {
  font-size: 1.25rem;
  color: var(--text-main);
}

.breach-date {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.breach-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.compromised-data {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.data-label {
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
}

.data-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.data-tag {
  background: var(--danger-light);
  color: var(--danger);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: monospace;
}

.action-plan {
  background: var(--panel-bg);
  padding: 1rem;
  border-radius: 8px;
  border-left: 2px solid var(--accent);
}

.plan-label {
  display: block;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.plan-text {
  color: var(--secondary);
  font-size: 0.95rem;
}

/* Info Notice */
.info-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.info-notice svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.info-notice strong {
  color: var(--text-main);
}

/* Utils */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

@media (max-width: 600px) {
  .primary-btn {
    position: static;
    margin-top: 0.75rem;
    width: 100%;
    justify-content: center;
    padding: 1rem;
  }
  input[type="email"] {
    padding-right: 1rem;
  }
  .summary-card {
    flex-direction: column;
    text-align: center;
  }
  #exportBtn {
    position: static;
    transform: none;
    width: 100%;
    justify-content: center;
  }
}