/* PixelSage – dark glassmorphism theme */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Poppins:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

:root {
  --bg-deep: #0a0e17;
  --bg-card: rgba(255, 255, 255, 0.06);
  --bg-card-hover: rgba(255, 255, 255, 0.09);
  --border-glass: rgba(255, 255, 255, 0.12);
  --text-primary: #f0f4fc;
  --text-muted: #94a3b8;
  --accent: #7c3aed;
  --accent-light: #a78bfa;
  --accent-glow: rgba(124, 58, 237, 0.35);
  --success: #34d399;
  --error: #f87171;
  --info: #60a5fa;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Poppins', system-ui, sans-serif;
  --radius: 16px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text-primary);
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(124, 58, 237, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(59, 130, 246, 0.15), transparent);
  line-height: 1.6;
}

h1, h2, h3, .font-display {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  letter-spacing: -0.02em;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #c4b5fd;
}

.glass {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-glass);
  background: rgba(10, 14, 23, 0.75);
  backdrop-filter: blur(12px);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--accent-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #6366f1);
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px var(--accent-glow);
  color: white;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--accent-light);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
  color: #64748b;
}

.form-select option {
  background: #1e293b;
  color: var(--text-primary);
}

.flash-container {
  position: fixed;
  top: 5rem;
  right: 1.5rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 380px;
}

.flash {
  padding: 0.85rem 1.15rem;
  border-radius: 10px;
  font-size: 0.9rem;
  backdrop-filter: blur(12px);
  animation: slideIn 0.35s ease;
  border: 1px solid var(--border-glass);
}

.flash-success {
  background: rgba(52, 211, 153, 0.15);
  border-color: rgba(52, 211, 153, 0.35);
  color: #6ee7b7;
}

.flash-error {
  background: rgba(248, 113, 113, 0.15);
  border-color: rgba(248, 113, 113, 0.35);
  color: #fca5a5;
}

.flash-info {
  background: rgba(96, 165, 250, 0.15);
  border-color: rgba(96, 165, 250, 0.35);
  color: #93c5fd;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(1rem);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin: 0 0 1rem;
  background: linear-gradient(135deg, #fff 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.features {
  padding: 3rem 0 5rem;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 1.75rem;
  transition: transform 0.2s, background 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
  font-style: italic;
}

.feature-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.demo-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.demo-gallery img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  opacity: 0.85;
  transition: opacity 0.2s;
}

.demo-gallery img:hover {
  opacity: 1;
}

@media (max-width: 640px) {
  .demo-gallery {
    grid-template-columns: 1fr;
  }
}

.auth-page {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
}

.auth-card h1 {
  font-size: 2rem;
  margin: 0 0 0.5rem;
  text-align: center;
}

.auth-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

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

.dashboard {
  padding: 2rem 0 4rem;
}

.dashboard-header {
  margin-bottom: 2rem;
}

.dashboard-header h1 {
  font-size: 2.25rem;
  margin: 0 0 0.35rem;
}

.dashboard-header p {
  color: var(--text-muted);
  margin: 0;
}

.workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 1fr;
  }
}

.panel {
  padding: 1.5rem;
}

.panel-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.preview-box {
  position: relative;
  aspect-ratio: 4 / 3;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 12px;
  border: 1px dashed var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.preview-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.preview-placeholder {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 1rem;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.param-group {
  display: none;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  border: 1px solid var(--border-glass);
}

.param-group.active {
  display: block;
}

.param-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.param-row label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.param-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.range-value {
  font-size: 0.75rem;
  color: var(--accent-light);
}

.drop-zone {
  border: 2px dashed var(--border-glass);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--accent-light);
  background: rgba(124, 58, 237, 0.08);
}

.drop-zone input[type="file"] {
  display: none;
}

.processing-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 23, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.75rem;
  border-radius: 12px;
}

.processing-overlay.active {
  display: flex;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-glass);
  border-top-color: var(--accent-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.result-meta {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.result-meta .time-badge {
  background: rgba(52, 211, 153, 0.15);
  color: var(--success);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
}

.action-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.history-section {
  margin-top: 2rem;
}

.history-section h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.history-table-wrap {
  overflow-x: auto;
}

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

.history-table th,
.history-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-glass);
}

.history-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.history-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.history-empty {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}

.footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-glass);
}
