/* ==========================================================================
   DeepScan Core stylesheet
   Theme: Sci-Fi Premium Dark (Zinc & Royal Purple)
   ========================================================================== */

:root {
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Colors */
  --bg-primary: #09090b;
  --bg-secondary: #0f0f13;
  --border-color: rgba(255, 255, 255, 0.08);
  --card-bg: rgba(20, 20, 28, 0.6);
  --card-glow: rgba(124, 58, 237, 0.08);

  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;

  --accent-purple: #7c3aed;
  --accent-purple-glow: rgba(124, 58, 237, 0.4);
  --accent-purple-gradient: linear-gradient(135deg, #7c3aed, #4f46e5);

  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.25);
  --accent-green-bg: rgba(16, 185, 129, 0.1);

  --accent-red: #ef4444;
  --accent-red-glow: rgba(239, 68, 68, 0.25);
  --accent-red-bg: rgba(239, 68, 68, 0.1);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent-purple);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #a78bfa;
  text-decoration: underline;
}

/* Background Ambient Glows */
.bg-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.45;
}

.bg-glow-1 {
  background: radial-gradient(circle, rgba(124,58,237,0.3) 0%, rgba(0,0,0,0) 70%);
  top: -150px;
  right: -100px;
}

.bg-glow-2 {
  background: radial-gradient(circle, rgba(79,70,229,0.2) 0%, rgba(0,0,0,0) 70%);
  bottom: 10%,
  left: -200px;
}

.bg-glow-3 {
  background: radial-gradient(circle, rgba(16,185,129,0.1) 0%, rgba(0,0,0,0) 70%);
  top: 40%;
  right: 15%;
}

/* Container & Layout */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hidden {
  display: none !important;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

/* Components: Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4), inset 0 1px 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  border-color: rgba(124, 58, 237, 0.25);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5), 0 0 20px 0 var(--card-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--text-primary);
}

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

.btn-primary:hover {
  background: #6d28d9;
  box-shadow: 0 0 15px var(--accent-purple-glow);
  transform: translateY(-1px);
}

.btn-gradient {
  background: var(--accent-purple-gradient);
}

.btn-gradient:hover:not(:disabled) {
  box-shadow: 0 0 25px rgba(124, 58, 237, 0.5);
  transform: translateY(-2px);
}

.btn-gradient:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-color);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: 8px;
}

/* Inputs & Forms */
.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

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

.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

.input-wrapper input {
  width: 100%;
  background: rgba(10, 10, 15, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-normal);
}

.input-wrapper input:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.15);
  background: rgba(15, 15, 22, 0.9);
}

/* ================= AUTHENTICATION VIEW ================= */
.auth-wrapper {
  max-width: 450px;
  margin: 6vh auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--accent-purple-gradient);
  border-radius: 18px;
  font-size: 1.8rem;
  color: white;
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
}

.brand-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 0.25rem;
  background: linear-gradient(to right, #ffffff, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.auth-card {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.card-title {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.auth-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ================= DASHBOARD VIEW ================= */
/* Navbar */
.navbar {
  background: rgba(9, 9, 11, 0.8);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-brand-icon {
  font-size: 1.5rem;
  color: var(--accent-purple);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(to right, #ffffff, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
  font-size: 0.9rem;
}

#user-display-name {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* Dashboard Main Layout */
.dashboard-main {
  margin-top: 2rem;
  flex: 1;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.panel-title {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.panel-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Drag and Drop Zone */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 3rem 1.5rem;
  text-align: center;
  background: rgba(10, 10, 15, 0.3);
  cursor: pointer;
  position: relative;
  transition: border-color var(--transition-normal), background var(--transition-normal);
  margin-bottom: 1.5rem;
  min-height: 270px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drop-zone.drag-over {
  border-color: var(--accent-purple);
  background: rgba(124, 58, 237, 0.05);
}

.drop-zone-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cloud-icon {
  font-size: 3rem;
  color: var(--accent-purple);
  margin-bottom: 1rem;
  opacity: 0.85;
  transition: transform var(--transition-normal);
}

.drop-zone:hover .cloud-icon {
  transform: translateY(-5px);
}

.drop-zone-prompt h3 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.drop-zone-prompt p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.browse-link {
  color: var(--accent-purple);
  font-weight: 600;
  text-decoration: underline;
}

.file-limits {
  font-size: 0.78rem !important;
  color: var(--text-muted) !important;
  margin-top: 1rem;
}

/* File Preview inside Dropzone */
.preview-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.btn-clear {
  position: absolute;
  top: -1.5rem;
  right: -0.5rem;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--accent-red);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.btn-clear:hover {
  background: var(--accent-red);
  color: white;
  transform: scale(1.1);
}

.file-media-preview {
  width: 100%;
  max-height: 150px;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.file-media-preview img,
.file-media-preview video {
  max-width: 100%;
  max-height: 150px;
  object-fit: contain;
}

.video-icon-preview {
  font-size: 4rem;
  color: var(--text-secondary);
  padding: 1.5rem 0;
}

.preview-details {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}

.preview-filename {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-primary);
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-filesize {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* Scanner Animation Overlay */
.laser-scanner {
  position: absolute;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, transparent, var(--accent-purple), transparent);
  box-shadow: 0 0 12px 2px var(--accent-purple);
  opacity: 0.9;
  z-index: 5;
  animation: laserSweep 2s ease-in-out infinite;
}

@keyframes laserSweep {
  0% { top: 10%; }
  50% { top: 85%; }
  100% { top: 10%; }
}

/* Loading Progress Bar */
.scan-progress-container {
  margin-top: 1.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.progress-status {
  color: var(--text-primary);
}

.progress-percent {
  color: var(--accent-purple);
}

.progress-bar-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-purple-gradient);
  box-shadow: 0 0 8px var(--accent-purple-glow);
  border-radius: 3px;
  transition: width 0.2s ease;
}

.scan-note {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ================= SCAN DIAGNOSTICS CARD ================= */
.placeholder-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 2rem;
  border-style: dashed;
}

.placeholder-icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  opacity: 0.5;
}

.placeholder-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.placeholder-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 320px;
}

.result-card-layout {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.verdict-banner {
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  border: 1px solid transparent;
}

.verdict-banner.real {
  background: var(--accent-green-bg);
  border-color: rgba(16, 185, 129, 0.2);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.15);
}

.verdict-banner.fake {
  background: var(--accent-red-bg);
  border-color: rgba(239, 68, 68, 0.2);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.15);
}

.verdict-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.verdict-banner.real .verdict-icon {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green-glow);
}

.verdict-banner.fake .verdict-icon {
  background: rgba(239, 68, 68, 0.2);
  color: var(--accent-red);
  box-shadow: 0 0 10px var(--accent-red-glow);
}

.verdict-meta {
  display: flex;
  flex-direction: column;
}

.verdict-subtitle {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.verdict-title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
}

.verdict-banner.real .verdict-title {
  color: var(--accent-green);
  text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.verdict-banner.fake .verdict-title {
  color: var(--accent-red);
  text-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

.result-details {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

/* Radial Progress Meter */
.confidence-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.confidence-section .detail-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.confidence-meter-container {
  position: relative;
  width: 110px;
  height: 110px;
}

.radial-progress-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.radial-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.04);
  stroke-width: 8;
}

.radial-bar {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 251.2; /* 2 * PI * r (r=40) */
  stroke-dashoffset: 251.2;
  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.verdict-banner.real ~ .result-details .radial-bar {
  stroke: var(--accent-green);
  filter: drop-shadow(0 0 4px var(--accent-green-glow));
}

.verdict-banner.fake ~ .result-details .radial-bar {
  stroke: var(--accent-red);
  filter: drop-shadow(0 0 4px var(--accent-red-glow));
}

.confidence-val-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  display: flex;
  flex-direction: column;
}

.confidence-percentage {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1;
}

.confidence-label {
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.15rem;
}

/* Specs Section */
.specs-section {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.spec-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.spec-info {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.spec-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Explanations */
.verdict-explanation {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-top: auto;
}

.verdict-explanation strong {
  color: var(--text-primary);
}

/* ================= HISTORICAL SCAN LOGGING ================= */
.history-section {
  margin-top: 2rem;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.history-title-wrap .panel-desc {
  margin-bottom: 0;
}

.history-table-wrapper {
  overflow-x: auto;
  border-radius: 10px;
  background: rgba(10, 10, 15, 0.4);
  border: 1px solid var(--border-color);
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.history-table th {
  background: rgba(255, 255, 255, 0.02);
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-secondary);
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.history-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  vertical-align: middle;
}

.history-table tbody tr {
  transition: background-color var(--transition-fast);
}

/* Scan Row Tints based on verdict */
.history-table tbody tr.real-row:hover {
  background-color: rgba(16, 185, 129, 0.04);
}

.history-table tbody tr.fake-row:hover {
  background-color: rgba(239, 68, 68, 0.04);
}

.history-table tbody tr:last-child td {
  border-bottom: none;
}

/* Badge Verdict Style */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-real {
  background: var(--accent-green-bg);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-fake {
  background: var(--accent-red-bg);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.file-type-badge {
  color: var(--text-secondary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.delete-action-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.delete-action-btn:hover {
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.1);
}

.text-right {
  text-align: right;
}

.history-empty {
  padding: 4rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.empty-icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  opacity: 0.4;
}

.history-empty h3 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.history-empty p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Toast Messages */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 1000;
  max-width: 350px;
  width: 100%;
}

.toast {
  background: rgba(15, 15, 23, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transform: translateX(120%);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
  transform: translateX(0);
}

.toast-icon {
  font-size: 1.2rem;
  margin-top: 0.1rem;
}

.toast-success .toast-icon {
  color: var(--accent-green);
}

.toast-error .toast-icon {
  color: var(--accent-red);
}

.toast-info .toast-icon {
  color: var(--accent-purple);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
}

.toast-message {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.1rem;
}

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

/* Footer styling */
.footer {
  text-align: center;
  padding: 2.5rem 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.02);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .navbar {
    padding: 1rem 1.5rem;
  }
}

@media (max-width: 600px) {
  .auth-wrapper {
    margin: 3vh auto;
  }
  
  .brand-header h1 {
    font-size: 2rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .result-details {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 1.5rem;
  }
  
  .specs-section {
    width: 100%;
    align-items: flex-start;
  }
  
  .history-table th:nth-child(4),
  .history-table td:nth-child(4),
  .history-table th:nth-child(5),
  .history-table td:nth-child(5) {
    display: none;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(124, 58, 237, 0.3);
}

/* ================= UPGRADED PREMIUM FORENSIC DIAGNOSTIC STYLES ================= */

/* Heatmap Viewer */
.heatmap-comparison-container {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.heatmap-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.heatmap-comparison-container .detail-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.heatmap-tip {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: italic;
}

.heatmap-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 380px;
  border-radius: 10px;
  overflow: hidden;
  background: #060913;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 20px rgba(0,0,0,0.8);
}

.heatmap-frame img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.heatmap-overlay {
  z-index: 2;
  opacity: 0.82;
  mix-blend-mode: screen;
  pointer-events: none;
}

.heatmap-overlay.hidden-map {
  opacity: 0 !important;
}

.heatmap-toggle-btn-wrap {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  z-index: 5;
}

.btn-glass {
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  font-size: 0.78rem;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.btn-glass:hover {
  background: rgba(124, 58, 237, 0.3);
  border-color: var(--accent-purple);
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.2);
}

/* Dynamic Badges Glower */
.badge-glow {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border: 1px solid transparent;
}

/* Category Badges */
.category-real {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
  border-color: rgba(16, 185, 129, 0.25);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.08);
}
.category-deepfake-face-swap {
  background: rgba(239, 68, 68, 0.12);
  color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.25);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.1);
}
.category-ai-generated-portrait {
  background: rgba(124, 58, 237, 0.15);
  color: #a78bfa;
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.12);
}
.category-heavily-edited-suspicious {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.25);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.1);
}

/* Risk Badges */
.risk-low {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border-color: rgba(16, 185, 129, 0.3);
}
.risk-medium {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.3);
}
.risk-high {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.3);
}
.risk-critical {
  background: rgba(220, 38, 38, 0.25);
  color: #ff4545;
  border-color: #ff4545;
  box-shadow: 0 0 12px rgba(255, 69, 69, 0.2);
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 8px rgba(255, 69, 69, 0.15); }
  50% { box-shadow: 0 0 16px rgba(255, 69, 69, 0.4); }
  100% { box-shadow: 0 0 8px rgba(255, 69, 69, 0.15); }
}

/* Forensic Progress Bars Checklist */
.forensic-signals-section,
.model-breakdown-section,
.verdict-explanation-card {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title i {
  color: var(--accent-purple);
}

.signals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem 2rem;
}

@media (max-width: 600px) {
  .signals-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.signal-bar-item {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.signal-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 500;
}

.signal-name {
  color: var(--text-secondary);
}

.signal-val {
  color: var(--text-primary);
  font-weight: 600;
}

.signal-progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 4px;
  overflow: hidden;
}

.signal-progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.05);
}

.signal-progress-fill.low {
  background: linear-gradient(to right, #10b981, #059669);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.15);
}

.signal-progress-fill.moderate {
  background: linear-gradient(to right, #f59e0b, #d97706);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.15);
}

.signal-progress-fill.severe {
  background: linear-gradient(to right, #ef4444, #dc2626);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

/* Ensemble Model Signals */
.model-scores-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.model-score-item {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-color);
  padding: 0.85rem;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.model-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 600;
}

.model-name {
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.model-val {
  color: var(--accent-purple);
}

.model-progress-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 2px;
  overflow: hidden;
}

.model-progress-fill {
  height: 100%;
  background: var(--accent-purple-gradient);
  box-shadow: 0 0 8px var(--accent-purple-glow);
  border-radius: 2px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Explanation block updates */
.verdict-explanation-card {
  margin-top: 2rem;
}

.verdict-explanation {
  background: rgba(124, 58, 237, 0.02) !important;
  border: 1px solid rgba(124, 58, 237, 0.12) !important;
  border-radius: 10px !important;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.03) !important;
  color: var(--text-secondary) !important;
  font-size: 0.88rem !important;
  line-height: 1.6 !important;
  padding: 1.25rem !important;
}

/* Historical List Row Highlighting */
.selected-row {
  background-color: rgba(124, 58, 237, 0.06) !important;
  border-left: 3px solid var(--accent-purple) !important;
}