/* Premium Visual Design System for mft14.github.io */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;700;800&display=swap');

:root {
  /* Color Palette */
  --bg-base: #0b0c10;
  --bg-canvas: #1f2833;
  --color-primary: #66fcf1;
  --color-secondary: #45f3ff;
  --color-accent: #c5a3ff;
  --text-main: #c5c6c7;
  --text-bright: #ffffff;
  --text-muted: #8b9bb4;
  
  /* Glassmorphism Tokens */
  --glass-bg: rgba(31, 40, 51, 0.45);
  --glass-border: rgba(102, 252, 241, 0.15);
  --glass-border-hover: rgba(102, 252, 241, 0.4);
  --glass-blur: 12px;
  
  /* Shadows & Radius */
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --glow-shadow: 0 0 20px rgba(102, 252, 241, 0.15);
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-base);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(102, 252, 241, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(197, 163, 255, 0.05) 0%, transparent 40%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 40px 20px;
  overflow-y: auto;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-canvas);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Header & Profile */
.profile {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.avatar-wrapper {
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  box-shadow: 0 8px 24px rgba(102, 252, 241, 0.2);
}

.avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--bg-base);
  object-fit: cover;
  display: block;
}

.profile h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-bright);
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-bright) 40%, var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.profile p {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 400;
  max-width: 420px;
  line-height: 1.5;
}

/* Interactive Controls (Search & Filters) */
.controls-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--glow-shadow);
}

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

.search-icon {
  position: absolute;
  left: 16px;
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.search-input {
  width: 100%;
  background: rgba(11, 12, 16, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px 16px 14px 46px;
  font-size: 0.95rem;
  color: var(--text-bright);
  font-family: inherit;
  outline: none;
  transition: var(--transition-smooth);
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 252, 241, 0.15);
  background: rgba(11, 12, 16, 0.9);
}

.categories {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.categories::-webkit-scrollbar {
  display: none;
}

.category-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.category-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-bright);
}

.category-btn.active {
  background: rgba(102, 252, 241, 0.1);
  border-color: var(--glass-border-hover);
  color: var(--color-primary);
  font-weight: 600;
}

/* Links List & Cards */
.links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: var(--transition-smooth);
}

.link-card:hover {
  transform: translateY(-2px);
  background: rgba(31, 40, 51, 0.65);
  border-color: var(--glass-border-hover);
  box-shadow: 0 8px 24px rgba(102, 252, 241, 0.08);
}

.link-card:hover::before {
  opacity: 1;
}

.link-icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(102, 252, 241, 0.06);
  border: 1px solid rgba(102, 252, 241, 0.1);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.link-card:hover .link-icon-container {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--bg-base);
  transform: scale(1.05);
}

.link-icon-container svg {
  width: 22px;
  height: 22px;
}

.link-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-grow: 1;
}

.link-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-bright);
}

.link-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.link-arrow {
  color: var(--text-muted);
  opacity: 0.4;
  transition: var(--transition-smooth);
  width: 18px;
  height: 18px;
}

.link-card:hover .link-arrow {
  color: var(--color-primary);
  opacity: 1;
  transform: translateX(4px);
}

/* Loading/Redirecting Panel */
.loader-panel {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  z-index: 1000;
  animation: fadeIn 0.4s ease;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(102, 252, 241, 0.1);
  border-radius: 50%;
  border-top-color: var(--color-primary);
  animation: spin 1s linear infinite;
  box-shadow: var(--glow-shadow);
}

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

.loader-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  color: var(--text-bright);
}

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

/* 404 / Error State Page */
.error-card {
  text-align: center;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  box-shadow: var(--glow-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.error-badge {
  font-family: 'Outfit', sans-serif;
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ff7b72, var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.error-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  color: var(--text-bright);
  font-weight: 700;
}

.error-text {
  color: var(--text-muted);
  max-width: 440px;
  line-height: 1.6;
  font-size: 0.95rem;
}

.btn-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--bg-base);
  font-weight: 700;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(102, 252, 241, 0.2);
}

.btn-home:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 252, 241, 0.4);
}

.suggestions {
  margin-top: 16px;
  width: 100%;
  text-align: left;
}

.suggestions-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 600;
}

/* Footer Section */
footer {
  margin-top: auto;
  padding-top: 60px;
  padding-bottom: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

footer a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

footer a:hover {
  color: var(--text-bright);
  text-decoration: underline;
}

/* Responsive adjustments */
@media (max-width: 480px) {
  body {
    padding: 24px 16px;
  }
  
  .profile h1 {
    font-size: 1.75rem;
  }
  
  .error-card {
    padding: 32px 20px;
  }
}