/* ===== CSS Variables ===== */
:root {
  --bg: #f8f9fa;
  --bg-card: #ffffff;
  --bg-input: #f1f3f5;
  --text: #212529;
  --text-secondary: #6c757d;
  --border: #dee2e6;
  --primary: #4263eb;
  --primary-hover: #3b5bdb;
  --primary-light: #edf2ff;
  --success: #2b8a3e;
  --danger: #e03131;
  --warning: #f08c00;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
  --max-width: 1200px;
  --ad-bg: #f1f3f5;
}

[data-theme="dark"] {
  --bg: #1a1b1e;
  --bg-card: #25262b;
  --bg-input: #2c2e33;
  --text: #e9ecef;
  --text-secondary: #adb5bd;
  --border: #373a40;
  --primary: #5c7cfa;
  --primary-hover: #748ffc;
  --primary-light: #1c2541;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.4);
  --ad-bg: #2c2e33;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Navbar ===== */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
  transition: background var(--transition);
}
.navbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.navbar-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar-brand:hover { text-decoration: none; opacity: 0.85; }
.navbar-brand .icon { font-size: 1.5rem; }

.theme-toggle {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.theme-toggle:hover { border-color: var(--primary); color: var(--primary); }

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 20px;
}

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 48px 20px 32px;
}
.hero h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}
.hero p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto 20px;
}

/* ===== Search ===== */
.search-box {
  max-width: 440px;
  margin: 0 auto 32px;
  position: relative;
}
.search-box input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border: 2px solid var(--border);
  border-radius: 50px;
  font-size: 1rem;
  background: var(--bg-card);
  color: var(--text);
  transition: all var(--transition);
  outline: none;
}
.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.search-box .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* ===== Tool Grid ===== */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 8px;
}
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 18px;
  transition: all var(--transition);
  display: block;
  text-decoration: none;
  color: var(--text);
}
.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  text-decoration: none;
}
.tool-card .tool-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}
.tool-card .tool-name {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
}
.tool-card .tool-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ===== Tool Page Layout ===== */
.tool-page {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.breadcrumb {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }

.tool-header h2 {
  font-size: 1.5rem;
  margin-bottom: 4px;
}
.tool-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.tool-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 768px) {
  .tool-body { grid-template-columns: 1fr; }
}

.tool-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}
.tool-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.tool-panel-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.tool-panel textarea,
.tool-panel .output-area {
  flex: 1;
  min-height: 300px;
  border: none;
  outline: none;
  resize: vertical;
  padding: 14px;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.5;
  background: var(--bg-input);
  color: var(--text);
  border-radius: 0 0 var(--radius) var(--radius);
}
.tool-panel textarea:focus {
  box-shadow: inset 0 0 0 2px var(--primary);
}

.output-area {
  white-space: pre-wrap;
  word-break: break-all;
  overflow-y: auto;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); opacity: 1; }
.btn-sm { padding: 5px 10px; font-size: 0.8rem; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* ===== Ad Placeholder ===== */
.ad-slot {
  background: var(--ad-bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-align: center;
  margin: 16px 0;
  transition: background var(--transition);
}
.ad-slot.horizontal { width: 100%; }
.ad-slot.sidebar { min-height: 250px; }

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 32px 20px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
.footer a { color: var(--text-secondary); }

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #212529;
  color: #fff;
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.88rem;
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.toast.show { opacity: 1; }

/* ===== Scroll Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeOutDown {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(32px) scale(0.96); }
}
@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes fadeOutScale {
  from { opacity: 1; transform: scale(1); }
  to   { opacity: 0; transform: scale(0.92); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideOutLeft {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(-40px); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideOutRight {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(40px); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%      { transform: translateY(-6px); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(66, 99, 235, 0.4); }
  50%      { box-shadow: 0 0 0 12px rgba(66, 99, 235, 0); }
}
@keyframes borderGlow {
  0%   { border-image-source: conic-gradient(from 0deg, var(--primary), #a855f7, #ec4899, var(--primary)); }
  100% { border-image-source: conic-gradient(from 360deg, var(--primary), #a855f7, #ec4899, var(--primary)); }
}
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes confetti-fall {
  0%   { transform: translateY(-10px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(60px) rotate(720deg); opacity: 0; }
}
@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}
@keyframes bgPulse {
  0%, 100% { opacity: 0.3; }
  50%      { opacity: 0.6; }
}
@keyframes typewriter-cursor {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}
@keyframes heroGradient {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ===== Scroll Progress Bar ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #a855f7, #ec4899);
  background-size: 200% 100%;
  animation: gradientShift 3s ease infinite;
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ===== Background Dots Pattern ===== */
.bg-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.15;
  background-image: radial-gradient(circle at 25px 25px, var(--primary) 1px, transparent 0);
  background-size: 50px 50px;
  transition: opacity 0.5s;
}
[data-theme="dark"] .bg-pattern {
  opacity: 0.08;
}

/* ===== 3D Card Tilt ===== */
.tool-card.tilt-enabled {
  transform-style: preserve-3d;
  perspective: 800px;
  transition: transform 0.1s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.tool-card.tilt-enabled:hover {
  transform: translateY(-2px);
  border-color: transparent;
  border-image: conic-gradient(from var(--tilt-angle, 0deg), var(--primary), #a855f7, #ec4899, var(--primary)) 1;
}

/* Gradient border card */
.card-glow-border {
  position: relative;
  overflow: visible;
}
.card-glow-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius);
  padding: 1px;
  background: conic-gradient(from 0deg, transparent, var(--primary), #a855f7, transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s;
}
.card-glow-border:hover::before {
  opacity: 1;
}

/* ===== Button Ripple ===== */
.btn {
  position: relative;
  overflow: hidden;
}
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  pointer-events: none;
  animation: ripple 0.6s ease-out;
}
[data-theme="dark"] .ripple { background: rgba(255,255,255,0.15); }
.btn-primary .ripple { background: rgba(255,255,255,0.4); }

/* ===== Mouse Spotlight ===== */
.spotlight {
  position: fixed;
  pointer-events: none;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(66,99,235,0.06) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  z-index: 50;
  transition: opacity 0.4s;
}
[data-theme="dark"] .spotlight {
  background: radial-gradient(circle, rgba(92,124,250,0.04) 0%, transparent 70%);
}

/* ===== Floating Icons ===== */
.tool-card .tool-icon {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: inline-block;
}
.tool-card:hover .tool-icon {
  animation: float 1.5s ease-in-out infinite;
}

/* ===== Hero Text Gradient ===== */
.hero h1 {
  background: linear-gradient(135deg, var(--primary), #a855f7, var(--primary));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: heroGradient 4s ease infinite;
}

/* ===== Tool Page Panel Stagger ===== */
.tool-page .tool-panel,
.tool-page .btn-group,
.tool-page .tool-header {
  will-change: transform, opacity;
}
.tool-page .animate-in.visible.slide-left {
  animation: slideInLeft 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.tool-page .animate-in.visible.slide-right {
  animation: slideInRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ===== Confetti Particle ===== */
.confetti-particle {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  animation: confetti-fall 0.8s ease-out forwards;
}

/* ===== Pulse on copy/action ===== */
.pulse-once {
  animation: pulse-glow 0.6s ease-out;
}

/* ===== Navbar glow on scroll ===== */
.navbar.scrolled {
  border-bottom-color: var(--primary);
  border-bottom-width: 2px;
}

/* ===== Misc animation utils ===== */
.animate-in {
  opacity: 0;
  transform: translateY(64px) scale(0.92);
  filter: blur(6px);
  will-change: transform, opacity, filter;
  transition: opacity 0.8s cubic-bezier(0.16, 0.88, 0.32, 1),
              transform 0.8s cubic-bezier(0.16, 0.88, 0.32, 1),
              filter 0.8s cubic-bezier(0.16, 0.88, 0.32, 1);
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}
.animate-in.exiting {
  opacity: 0;
  transform: translateY(-50px) scale(0.93);
  filter: blur(4px);
  transition: opacity 0.35s cubic-bezier(0.55, 0, 0.45, 1),
              transform 0.35s cubic-bezier(0.55, 0, 0.45, 1),
              filter 0.35s cubic-bezier(0.55, 0, 0.45, 1);
}

/* Fade scale variant - for tool cards */
.animate-in.fade-scale {
  transform: scale(0.85);
  filter: blur(6px);
}
.animate-in.fade-scale.visible {
  transform: scale(1);
  filter: blur(0);
}
.animate-in.fade-scale.exiting {
  transform: scale(0.88);
  filter: blur(4px);
}

/* Fade only variant */
.animate-in.fade-only {
  transform: none;
  filter: blur(4px);
}
.animate-in.fade-only.visible {
  opacity: 1;
  filter: blur(0);
}
.animate-in.fade-only.exiting {
  opacity: 0;
  filter: blur(3px);
}

/* Slide left variant */
.animate-in.slide-left {
  transform: translateX(-80px);
  filter: blur(5px);
}
.animate-in.slide-left.visible {
  transform: translateX(0);
  filter: blur(0);
}
.animate-in.slide-left.exiting {
  transform: translateX(-80px);
  filter: blur(4px);
}

/* Slide right variant */
.animate-in.slide-right {
  transform: translateX(80px);
  filter: blur(5px);
}
.animate-in.slide-right.visible {
  transform: translateX(0);
  filter: blur(0);
}
.animate-in.slide-right.exiting {
  transform: translateX(80px);
  filter: blur(4px);
}

/* Staggered delays for entering */
.delay-1  { transition-delay: 0.05s; }
.delay-2  { transition-delay: 0.10s; }
.delay-3  { transition-delay: 0.16s; }
.delay-4  { transition-delay: 0.21s; }
.delay-5  { transition-delay: 0.27s; }
.delay-6  { transition-delay: 0.32s; }
.delay-7  { transition-delay: 0.38s; }
.delay-8  { transition-delay: 0.43s; }
.delay-9  { transition-delay: 0.49s; }
.delay-10 { transition-delay: 0.54s; }

/* No delay on exit */
.animate-in.exiting {
  transition-delay: 0s !important;
}

/* ===== Misc ===== */
.category-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--text);
}
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-mono { font-family: "SF Mono", "Fira Code", "Cascadia Code", Consolas, monospace; }

/* file upload */
input[type="file"] {
  font-size: 0.88rem;
  color: var(--text);
}
input[type="file"]::file-selector-button {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-right: 10px;
  font-family: inherit;
}

/* color input */
input[type="color"] {
  width: 40px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--bg-card);
}

/* range slider */
input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
}

/* ===== Command Palette ===== */
.palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  backdrop-filter: blur(4px);
}
.palette-overlay.active { opacity: 1; pointer-events: auto; }

.palette-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 560px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  overflow: hidden;
  transform: translateY(-10px);
  transition: transform 0.2s;
}
.palette-overlay.active .palette-box { transform: translateY(0); }

.palette-input {
  width: 100%;
  padding: 16px 20px;
  border: none;
  border-bottom: 1px solid var(--border);
  font-size: 1.1rem;
  background: var(--bg-card);
  color: var(--text);
  outline: none;
  font-family: inherit;
}
.palette-input::placeholder { color: var(--text-secondary); }

.palette-results {
  max-height: 360px;
  overflow-y: auto;
}
.palette-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  cursor: pointer;
  transition: background 0.1s;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: transparent;
}
.palette-item:hover, .palette-item.active {
  background: var(--primary-light);
}
.palette-item .item-icon { font-size: 1.3rem; flex-shrink: 0; }
.palette-item .item-name { font-weight: 600; }
.palette-item .item-cat { font-size: 0.78rem; color: var(--text-secondary); margin-left: auto; }
.palette-empty {
  padding: 32px 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.palette-hint {
  padding: 8px 20px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  display: flex; gap: 12px;
}
.palette-hint kbd {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: monospace;
  font-size: 0.72rem;
}

/* ===== Recent Tools ===== */
.recent-tools {
  margin: -10px auto 20px;
  max-width: var(--max-width);
  padding: 0 20px;
}
.recent-tools-header {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 600;
}
.recent-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.recent-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 50px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text);
  text-decoration: none;
  transition: all var(--transition);
}
.recent-chip:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }

/* ===== Drag & Drop Zone ===== */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: var(--text-secondary);
  transition: all 0.3s;
  cursor: pointer;
}
.drop-zone.drag-over {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  transform: scale(1.02);
}
.drop-zone .drop-icon { font-size: 2.5rem; margin-bottom: 8px; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9998;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
  backdrop-filter: blur(4px);
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-box {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px;
  width: 420px; max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-box h3 { margin-bottom: 12px; }
.modal-box textarea {
  width: 100%; min-height: 80px;
  padding: 10px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-input); color: var(--text);
  font-family: inherit; font-size: 0.9rem; resize: vertical;
}
.modal-box input[type="email"] {
  width: 100%; padding: 10px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-input); color: var(--text);
  font-family: inherit; margin-bottom: 10px;
}
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; }

/* ===== Daily Pick ===== */
.daily-pick {
  background: linear-gradient(135deg, var(--primary-light), transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: -8px 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
}
.daily-pick .pick-badge {
  background: var(--primary); color: #fff;
  padding: 3px 10px; border-radius: 50px;
  font-size: 0.75rem; font-weight: 700; white-space: nowrap;
}
.daily-pick a { font-weight: 600; }

/* ===== Language Switcher ===== */
.lang-switch {
  background: none; border: 1px solid var(--border);
  color: var(--text); padding: 4px 10px;
  border-radius: 50px; cursor: pointer;
  font-size: 0.82rem; font-family: inherit;
  transition: all var(--transition);
}
.lang-switch:hover { border-color: var(--primary); color: var(--primary); }

/* ===== PWA Install Prompt ===== */
.pwa-install-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--bg-card); border-top: 1px solid var(--border);
  padding: 12px 20px; z-index: 999;
  display: flex; align-items: center; justify-content: center;
  gap: 12px; transform: translateY(100%); transition: transform 0.3s;
}
.pwa-install-bar.show { transform: translateY(0); }

/* ===== Sidebar Navigation ===== */
.sidebar {
  position: fixed; left: 0; top: 56px; bottom: 0;
  width: 260px; z-index: 90;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto; overflow-x: hidden;
  box-shadow: var(--shadow-lg);
}
.sidebar.open { transform: translateX(0); }
.sidebar-inner { padding: 12px 0 40px; }
.sidebar-cat {
  padding: 10px 20px 6px;
  font-size: 0.78rem; font-weight: 700;
  color: var(--text-secondary); text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sidebar-link {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 20px 7px 24px;
  font-size: 0.88rem; color: var(--text);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}
.sidebar-link:hover {
  background: var(--primary-light);
  border-left-color: var(--primary);
  text-decoration: none;
}
.sidebar-link .s-icon { font-size: 1rem; flex-shrink: 0; width: 22px; text-align: center; }

/* Sidebar toggle button */
.sidebar-toggle {
  position: fixed; left: 0; top: 64px;
  width: 32px; height: 48px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: none; border-radius: 0 8px 8px 0;
  cursor: pointer; z-index: 91; display: flex;
  align-items: center; justify-content: center;
  font-size: 1rem; color: var(--text);
  transition: left 0.35s cubic-bezier(0.16, 1, 0.3, 1), background var(--transition);
  box-shadow: 2px 0 8px rgba(0,0,0,0.08);
}
.sidebar-toggle.shifted { left: 260px; }
.sidebar-toggle:hover { background: var(--primary-light); color: var(--primary); }

/* Sidebar overlay (mobile) */
.sidebar-overlay {
  position: fixed; inset: 0; z-index: 89;
  background: rgba(0,0,0,0.3);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(2px);
}
.sidebar-overlay.active { opacity: 1; pointer-events: auto; }

/* Push content when sidebar open */
@media (min-width: 1024px) {
  .main-with-sidebar { margin-left: 260px; }
}

/* Sidebar in dark mode */
[data-theme="dark"] .sidebar { box-shadow: 0 4px 20px rgba(0,0,0,0.5); }

/* ===== Animated Grid Background ===== */
.grid-canvas {
  position: fixed; inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s;
}
.grid-canvas.active { opacity: 1; }

/* Grid toggle button */
.grid-toggle {
  background: none; border: 1px solid var(--border);
  color: var(--text); width: 36px; height: 36px;
  border-radius: 50%; cursor: pointer;
  font-size: 0.9rem; display: flex;
  align-items: center; justify-content: center;
  transition: all var(--transition); margin-right: 8px;
}
.grid-toggle:hover { border-color: var(--primary); color: var(--primary); }
.grid-toggle.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Navbar controls group */
.nav-controls { display: flex; align-items: center; gap: 4px; }

/* Remove old bg pattern when grid is active */
body.grid-active .bg-pattern { opacity: 0 !important; pointer-events: none; }