/* ============================================================
   PROJECT DETAIL PAGE STYLESHEET
   Matching Nazwa's Portfolio Design System & Aesthetics
   ============================================================ */

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

:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 35px rgba(0, 212, 255, 0.18);
}

[data-theme="dark"] {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(22, 30, 49, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-border: rgba(255, 255, 255, 0.08);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #00d4ff;
  --accent-rgb: 0, 212, 255;
  --accent-secondary: #7c3aed;
  --accent-secondary-rgb: 124, 58, 237;
  --gradient-accent: linear-gradient(135deg, #00d4ff, #7c3aed);
  --gradient-card: linear-gradient(145deg, rgba(17, 24, 39, 0.85), rgba(30, 41, 59, 0.45));
  --header-bg: rgba(10, 14, 26, 0.88);
  --border-color: rgba(255, 255, 255, 0.08);
  --badge-bg: rgba(0, 212, 255, 0.1);
  --badge-text: #00d4ff;
  --badge-border: rgba(0, 212, 255, 0.25);
  --tag-bg: rgba(0, 212, 255, 0.08);
  --tag-border: rgba(0, 212, 255, 0.2);
  --tag-color: #00d4ff;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.65);
  --bg-glass-border: rgba(0, 0, 0, 0.08);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #0284c7;
  --accent-rgb: 2, 132, 199;
  --accent-secondary: #7c3aed;
  --accent-secondary-rgb: 124, 58, 237;
  --gradient-accent: linear-gradient(135deg, #0284c7, #7c3aed);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(241, 245, 249, 0.6));
  --header-bg: rgba(248, 250, 252, 0.9);
  --border-color: rgba(0, 0, 0, 0.08);
  --badge-bg: rgba(2, 132, 199, 0.1);
  --badge-text: #0284c7;
  --badge-border: rgba(2, 132, 199, 0.25);
  --tag-bg: rgba(2, 132, 199, 0.08);
  --tag-border: rgba(2, 132, 199, 0.2);
  --tag-color: #0284c7;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background canvas */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* Glass panel */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  transition: var(--transition);
}

.glass:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
}

/* Header & Navbar */
.detail-navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 5%;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.nav-brand {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-brand span {
  color: var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--badge-bg);
  color: var(--accent);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.btn-nav-back:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 15px rgba(var(--accent-rgb), 0.4);
  transform: translateX(-3px);
}

.theme-toggle-btn, .lang-toggle-btn {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.lang-toggle-btn {
  width: auto;
  padding: 0 12px;
  border-radius: var(--radius-xl);
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.theme-toggle-btn:hover, .lang-toggle-btn:hover {
  background: var(--badge-bg);
  border-color: var(--accent);
  color: var(--accent);
}

/* Main Container */
.detail-main-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 110px 24px 60px;
}

/* Detail Header Hero */
.detail-hero-card {
  padding: 36px 40px;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
}

.detail-hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: var(--gradient-accent);
}

.detail-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--badge-text);
  background: var(--badge-bg);
  padding: 4px 14px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--badge-border);
}

.project-status {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  background: rgba(34, 197, 94, 0.12);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.project-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.detail-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.detail-company {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.detail-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 22px;
  max-width: 900px;
}

.detail-tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.detail-tech-chips .tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 5px 14px;
  border-radius: var(--radius-xl);
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  color: var(--tag-color);
  font-weight: 600;
  transition: var(--transition);
}

.detail-tech-chips .tag:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* Hero Thumbnail Showcase */
.detail-showcase-box {
  margin-bottom: 36px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: #000;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
  position: relative;
  cursor: zoom-in;
}

.detail-showcase-img {
  width: 100%;
  max-height: 540px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.detail-showcase-box:hover .detail-showcase-img {
  transform: scale(1.02);
}

.showcase-overlay-hint {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: var(--radius-xl);
  color: #fff;
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Two-column layout */
.detail-grid-layout {
  display: grid;
  grid-template-columns: 2.1fr 1fr;
  gap: 30px;
  align-items: start;
}

/* Content Left Column */
.detail-content-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.detail-section-card {
  padding: 28px 32px;
}

.detail-section-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-section-card h2 i {
  color: var(--accent);
  font-size: 1.35rem;
}

.detail-section-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 12px;
}

.detail-section-card p:last-child {
  margin-bottom: 0;
}

.detail-section-card p strong {
  color: var(--text-primary);
}

/* Workflow Step List */
.workflow-step-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.workflow-step-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  transition: var(--transition);
}

.workflow-step-item:hover {
  background: rgba(var(--accent-rgb), 0.08);
  border-color: rgba(var(--accent-rgb), 0.3);
  transform: translateX(4px);
}

.step-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--badge-bg);
  padding: 3px 10px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--badge-border);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Features List Grid */
.features-grid-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
}

.feature-grid-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.feature-grid-item i {
  color: #22c55e;
  font-size: 1rem;
  margin-top: 3px;
  flex-shrink: 0;
}

/* Sidebar Column */
.detail-sidebar-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 90px;
}

.sidebar-card {
  padding: 24px 26px;
}

.sidebar-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-card h3 i {
  color: var(--accent);
}

.quick-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.quick-info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.quick-info-label {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.quick-info-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
}

/* Action Link Buttons */
.action-link-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  margin-bottom: 10px;
  transition: var(--transition);
}

.action-link-btn.primary {
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.3);
}

.action-link-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--accent-rgb), 0.45);
}

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

.action-link-btn.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--badge-bg);
  transform: translateY(-2px);
}

/* Gallery Horizontal Scroll */
.sidebar-gallery-track {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 2px 14px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--border-color);
}

.sidebar-gallery-track::-webkit-scrollbar {
  height: 5px;
}

.sidebar-gallery-track::-webkit-scrollbar-track {
  background: var(--border-color);
  border-radius: 4px;
}

.sidebar-gallery-track::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

.gallery-thumbnail-item {
  flex: 0 0 170px;
  height: 120px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
  cursor: pointer;
  scroll-snap-align: start;
  transition: var(--transition);
  position: relative;
}

.gallery-thumbnail-item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(var(--accent-rgb), 0.3);
}

.gallery-thumbnail-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Gallery Modal / Lightbox */
.gallery-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 8, 18, 0.94);
  backdrop-filter: blur(12px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.gallery-modal-overlay.active {
  display: flex;
}

.modal-content-container {
  position: relative;
  max-width: 92vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-main-image {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border-color);
}

.modal-btn-close {
  position: absolute;
  top: -46px;
  right: 0;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-btn-close:hover {
  color: var(--accent);
  transform: scale(1.15);
}

.modal-nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: var(--transition);
}

.modal-nav-arrow:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.modal-nav-prev {
  left: -60px;
}

.modal-nav-next {
  right: -60px;
}

.modal-counter-tag {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Footer */
.detail-footer {
  text-align: center;
  padding: 30px 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Error State */
.detail-error-box {
  text-align: center;
  padding: 80px 24px;
}

.detail-error-box i {
  font-size: 3.5rem;
  color: #ef4444;
  margin-bottom: 20px;
}

.detail-error-box h2 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.detail-error-box p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .detail-grid-layout {
    grid-template-columns: 1fr;
  }
  .detail-sidebar-column {
    position: static;
  }
  .modal-nav-prev {
    left: 10px;
  }
  .modal-nav-next {
    right: 10px;
  }
}

@media (max-width: 768px) {
  .detail-main-wrapper {
    padding-top: 90px;
  }
  .detail-hero-card {
    padding: 24px 20px;
  }
  .detail-section-card {
    padding: 20px 18px;
  }
  .features-grid-list {
    grid-template-columns: 1fr;
  }
  .detail-title {
    font-size: 1.6rem;
  }
}