/* Premium Vercel/Linear-inspired Design System (Billion Dollar Aesthetic) */

/* Global Variables & Colors */
:root {
  /* Apple-inspired Light Theme (Default) */
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f2f2f2;
  --bg-glass: rgba(255, 255, 255, 0.6);
  --border-color: rgba(0, 0, 0, 0.06);
  --border-color-hover: rgba(0, 0, 0, 0.12);
  
  --text-primary: #171717;
  --text-secondary: #666666;
  --text-muted: #888888;

  /* Accent Colors (Brand) */
  --color-accent: #000000;
  --color-accent-text: #ffffff;
  --color-accent-glow: rgba(0, 0, 0, 0.08);
  --color-tertiary: #00bfff; /* Light Blue */
  
  /* Premium Typography */
  --font-family-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --font-family-title: var(--font-family-sans);

  /* Animation Curves (Springs) */
  --transition-speed: 0.3s;
  --ease-curve: cubic-bezier(0.25, 1, 0.5, 1);
  --spring-curve: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
  --border-radius-sm: 6px;
}

/* Dark Theme (Billion Dollar Look) */
.dark-theme {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-glass: rgba(10, 10, 10, 0.65);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  
  --text-primary: #ededed;
  --text-secondary: #a1a1a1;
  --text-muted: #666666;

  --color-accent: #ffffff;
  --color-accent-text: #000000;
  --color-accent-glow: rgba(255, 255, 255, 0.1);
  --color-tertiary: #00bfff; /* Light Blue */
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family-sans);
  overflow-x: hidden;
  min-height: 100vh;
  transition: background-color var(--transition-speed) var(--ease-curve), color var(--transition-speed) var(--ease-curve);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Background Grid & Noise for Texture */
.bg-texture {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: 
    linear-gradient(to right, var(--border-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
  background-size: 100px 100px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
  opacity: 0.4;
}

/* Custom Scrollbars */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color-hover); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Ambient Background (Subtle gradient mesh) */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.15;
  transition: opacity var(--transition-speed) var(--ease-curve);
}
.dark-theme .ambient-glow { opacity: 0.1; }

.glow-1 {
  width: 60vw;
  height: 60vh;
  top: -20vh;
  right: -10vw;
  background: radial-gradient(circle, var(--color-tertiary) 0%, transparent 70%);
}

.glow-2 {
  width: 50vw;
  height: 50vh;
  bottom: -20vh;
  left: -10vw;
  background: radial-gradient(circle, var(--color-tertiary) 0%, transparent 70%);
}

/* App Container Layout */
.app-container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Premium Header styling */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2.5rem 0;
  margin-bottom: 2rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(180deg, var(--bg-tertiary), var(--bg-secondary));
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05), inset 0 1px 0 rgba(255,255,255,0.1);
  transition: all var(--transition-speed) var(--spring-curve);
}

.dark-theme .logo-icon {
  box-shadow: 0 4px 12px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05);
}

.logo-icon:hover {
  transform: scale(1.05) translateY(-2px);
  border-color: var(--border-color-hover);
}

.brand-info h1 {
  font-family: var(--font-family-title);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, var(--text-primary) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons & Interactive Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-family-sans);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-speed) var(--ease-curve);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-text);
  box-shadow: 0 4px 14px var(--color-accent-glow);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  filter: brightness(1.1);
}

.dark-theme .btn-primary {
  border: 1px solid rgba(0,0,0,0.2);
}

.dark-theme .btn-primary:hover {
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.1);
}

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

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color-hover);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Utility Bar Layout - Glassmorphism */
.utility-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.03), inset 0 1px 0 rgba(255,255,255,0.05);
  position: sticky;
  top: 1rem;
  z-index: 50;
}

.dark-theme .utility-bar {
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.05);
}

.feed-meta {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.feed-meta i {
  color: var(--text-primary);
  font-size: 1rem;
}

/* View Mode Toggles */
.toggle-group {
  display: flex;
  background: var(--bg-tertiary);
  padding: 0.25rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

.toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  font-family: var(--font-family-sans);
  font-size: 0.8rem;
  font-weight: 500;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-speed) var(--ease-curve);
}

.toggle-btn.active {
  background: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.dark-theme .toggle-btn.active {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

/* Showcase Area styles */
.showcase-area {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-bottom: 6rem;
}

/* Grid & List Feeds */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 2rem;
  transition: all var(--transition-speed) var(--ease-curve);
}

.projects-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: all var(--transition-speed) var(--ease-curve);
}

/* Project Cards Design (Linear/Vercel Style) */
.project-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-speed) var(--spring-curve);
  position: relative;
  height: 100%;
  box-shadow: 0 4px 12px rgba(0,0,0,0.02);
  opacity: 0;
  animation: fadeUpIn 0.8s var(--spring-curve) forwards;
}

@keyframes fadeUpIn {
  from { opacity: 0; transform: translateY(30px) scale(0.96); filter: blur(4px); }
  to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.dark-theme .project-card:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

/* Card Header/Thumbnail */
.card-thumbnail-container {
  aspect-ratio: 16 / 10;
  width: 100%;
  position: relative;
  overflow: hidden;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.card-thumbnail-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-curve);
}

.project-card:hover .card-thumbnail-container img {
  transform: scale(1.03);
}

/* Optional live iframe inside card */
.live-iframe-preview {
  width: 400%;  
  height: 400%;
  border: none;
  transform: scale(0.25);
  transform-origin: top left;
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  background: #ffffff;
  opacity: 1; /* Fixed: Make it directly visible without hovering */
  transition: opacity 0.4s var(--ease-curve);
}

.thumbnail-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.04) 100%);
  z-index: 1;
  pointer-events: none;
}

.dark-theme .thumbnail-overlay {
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.3) 100%);
}

.card-badge-status {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  color: #171717;
  border: 1px solid rgba(0,0,0,0.05);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dark-theme .card-badge-status {
  background: rgba(0, 0, 0, 0.6);
  border-color: rgba(255,255,255,0.1);
  color: #ffffff;
}

.card-badge-status::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-tertiary);
  box-shadow: 0 0 8px var(--color-tertiary);
}

/* Card Body */
.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.card-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.card-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card Actions */
.card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 1.5rem 1.5rem;
  background: transparent;
}

.card-actions .btn {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  border-radius: var(--border-radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

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

/* List view adaptations */
.projects-list .project-card {
  flex-direction: row;
  height: auto;
}

.projects-list .card-thumbnail-container {
  width: 280px;
  min-width: 280px;
  aspect-ratio: 16 / 10;
  border-bottom: none;
  border-right: 1px solid var(--border-color);
}

.projects-list .card-body {
  padding: 1.5rem 2rem;
  justify-content: center;
}

.projects-list .card-actions {
  align-items: center;
  justify-content: center;
  min-width: 180px;
  padding: 0 2rem;
}

/* Empty State Styling */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem;
  max-width: 500px;
  margin: 0 auto;
}

.empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}

.empty-icon i {
  font-size: 1.5rem;
}

.empty-state h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.hidden {
  display: none !important;
}

/* Modern Modals System - Spring Loaded */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-curve);
}

.dark-theme .modal-overlay {
  background: rgba(0, 0, 0, 0.7);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* Interactive Device Preview Modal Frame */
.preview-modal-container {
  width: 94vw;
  height: 94vh;
  max-width: 1600px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.2);
  transform: scale(0.95) translateY(20px);
  transition: all 0.5s var(--spring-curve);
}

.dark-theme .preview-modal-container {
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6);
}

.modal-overlay.active .preview-modal-container {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.project-identity {
  display: flex;
  align-items: center;
}

#modal-project-name {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.preview-device-selectors {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--bg-tertiary);
  padding: 0.25rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

.device-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  background: transparent;
  border: none;
  font-family: var(--font-family-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-speed) var(--ease-curve);
}

.device-btn.active {
  background: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.modal-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.preview-viewport-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  overflow: auto;
  position: relative;
  background-image: radial-gradient(var(--border-color) 1px, transparent 0);
  background-size: 30px 30px;
}

/* Floating Device Shell Mockups */
.device-frame {
  background: #000000;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  transition: all 0.5s var(--spring-curve);
  position: relative;
  overflow: hidden;
}

.dark-theme .device-frame {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.device-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #ffffff;
}

/* Loading animations in viewport */
.viewport-loader {
  position: absolute;
  inset: 0;
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 5;
  transition: opacity 0.4s var(--ease-curve);
  pointer-events: none;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-color);
  border-top-color: var(--color-tertiary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Responsive Device Sizes specs */
.device-frame.desktop {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.device-frame.tablet {
  width: 834px;
  height: 1194px;
  max-height: 100%;
  border-radius: 24px;
  border: 12px solid #111;
}

.device-frame.mobile {
  width: 393px;
  height: 852px;
  max-height: 100%;
  border-radius: 36px;
  border: 10px solid #111;
}

/* Interactive Custom Toast System */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 10000;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  animation: slideIn 0.4s var(--spring-curve) forwards;
}

.toast-success i { color: var(--color-tertiary); }

.toast-message {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

@keyframes slideIn {
  to { transform: translateY(0) scale(1); opacity: 1; }
}

/* Smartphone Layout responsiveness */
@media (max-width: 768px) {
  .app-container { padding: 0 1rem; }
  .app-header { flex-direction: column; align-items: stretch; gap: 1.5rem; padding: 1.5rem 0; }
  .utility-bar { flex-direction: column; gap: 1rem; }
  .btn, .toggle-group { width: 100%; }
  .projects-grid { grid-template-columns: 1fr; }
  .projects-list .project-card { flex-direction: column; }
  .projects-list .card-thumbnail-container { width: 100%; border-right: none; border-bottom: 1px solid var(--border-color); }
  .preview-modal-container { width: 100vw; height: 100vh; border-radius: 0; border: none; }
  .preview-viewport-wrapper { padding: 0.5rem; }
  .device-frame.tablet, .device-frame.mobile { max-height: 90%; }
}

/* Custom Creative Mouse Follower */
.mouse-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--color-tertiary) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.3; /* Increased opacity and removed mix-blend-mode so it shows on white */
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  will-change: transform;
}

.dark-theme .mouse-follower {
  opacity: 0.15;
}

/* 3D Tilt Effect on cards */
.project-card {
  transform-style: preserve-3d;
}

/* Agency Footer */
.agency-footer {
  margin-top: 4rem;
  padding: 3rem 1rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  background: linear-gradient(to top, rgba(0, 191, 255, 0.03), transparent);
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1.2rem;
}

.footer-brand i {
  color: var(--color-tertiary);
}

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

.cta-btn {
  margin-top: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  text-decoration: none;
}