/* ==========================================
   ToolKit Pro – Global Stylesheet
   ========================================== */

:root {
  --primary: #6c63ff;
  --primary-dark: #5748e8;
  --primary-glow: rgba(108, 99, 255, 0.4);
  --secondary: #a78bfa;
  --accent: #06b6d4;
  --success: #10b981;
  --danger: #f43f5e;
  --warning: #f59e0b;

  --bg: #060612;
  --bg-2: #0d0d1f;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --bg-glass: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.18);

  --text-primary: #f0f0ff;
  --text-secondary: #9999bb;
  --text-muted: #555577;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 40px rgba(0,0,0,0.5);
  --font: 'Inter','Segoe UI', system-ui, sans-serif;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-bounce: 0.4s cubic-bezier(0.34,1.56,0.64,1);
  --nav-height: 70px;
}

[data-theme="light"] {
  --bg: #f0f0ff;
  --bg-2: #e8e8f8;
  --bg-card: rgba(255,255,255,0.8);
  --bg-card-hover: rgba(255,255,255,0.95);
  --bg-glass: rgba(255,255,255,0.6);
  --border: rgba(108,99,255,0.15);
  --border-hover: rgba(108,99,255,0.35);
  --text-primary: #1a1a2e;
  --text-secondary: #44446a;
  --text-muted: #8888aa;
  --shadow-sm: 0 4px 20px rgba(108,99,255,0.1);
  --shadow-md: 0 8px 40px rgba(108,99,255,0.15);
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text-primary); line-height: 1.7; overflow-x: hidden; transition: background var(--transition), color var(--transition); min-height: 100vh; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font); border: none; background: none; }
input,textarea,select { font-family: var(--font); }

/* Canvas Particles */
#particles-canvas { position: fixed; top:0; left:0; width:100%; height:100%; z-index:0; pointer-events:none; opacity:.5; }

/* ===== NAVBAR ===== */
.navbar { position:fixed; top:0; left:0; right:0; z-index:1000; height:var(--nav-height); background:rgba(6,6,18,0.85); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px); border-bottom:1px solid var(--border); transition:all var(--transition); }
[data-theme="light"] .navbar { background:rgba(240,240,255,0.88); }
.navbar.scrolled { box-shadow:0 4px 30px rgba(0,0,0,0.4); }
.nav-container { max-width:1280px; margin:0 auto; padding:0 24px; height:100%; display:flex; align-items:center; gap:20px; }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.3rem; flex-shrink:0; }
.logo-icon { font-size:1.4rem; }
.logo-text .accent { background:linear-gradient(135deg,var(--primary),var(--accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.nav-center { flex:1; display:flex; justify-content:center; }

.search-bar { position:relative; width:100%; max-width:420px; display:flex; align-items:center; gap:10px; background:var(--bg-glass); border:1px solid var(--border); border-radius:40px; padding:8px 18px; transition:all var(--transition); }
.search-bar:focus-within { border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-glow); background:var(--bg-card); }
.search-icon { font-size:.95rem; opacity:.6; flex-shrink:0; }
.search-bar input { flex:1; background:none; border:none; outline:none; color:var(--text-primary); font-size:.9rem; }
.search-bar input::placeholder { color:var(--text-muted); }
.search-results { position:absolute; top:calc(100% + 10px); left:0; right:0; background:var(--bg-2); border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden; display:none; box-shadow:var(--shadow-md); z-index:100; }
.search-results.active { display:block; }
.search-result-item { display:flex; align-items:center; gap:12px; padding:12px 16px; transition:background var(--transition); font-size:.88rem; color:var(--text-secondary); }
.search-result-item:hover { background:var(--bg-glass); color:var(--text-primary); }

.nav-right { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.theme-toggle { width:42px; height:42px; border-radius:50%; background:var(--bg-glass); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; font-size:1.1rem; transition:all var(--transition); }
.theme-toggle:hover { background:var(--bg-card-hover); transform:rotate(20deg) scale(1.1); border-color:var(--primary); }
.nav-mobile-toggle { display:none; font-size:1.4rem; color:var(--text-primary); padding:6px 10px; border-radius:var(--radius-sm); background:var(--bg-glass); border:1px solid var(--border); }

/* ===== HERO ===== */
.hero { position:relative; z-index:1; min-height:100vh; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:calc(var(--nav-height)+60px) 24px 120px; overflow:hidden; }
.hero::before { content:''; position:absolute; width:700px; height:700px; background:radial-gradient(ellipse,var(--primary-glow),transparent 70%); top:50%; left:50%; transform:translate(-50%,-50%); pointer-events:none; animation:pulseGlow 5s ease-in-out infinite; }
@keyframes pulseGlow { 0%,100% { opacity:.4; transform:translate(-50%,-50%) scale(1); } 50% { opacity:.7; transform:translate(-50%,-50%) scale(1.1); } }
.hero-content { position:relative; z-index:1; max-width:800px; margin:0 auto; }
.hero-badge { display:inline-flex; align-items:center; gap:8px; background:var(--bg-glass); border:1px solid var(--border); border-radius:40px; padding:8px 20px; font-size:.85rem; font-weight:500; color:var(--secondary); margin-bottom:24px; backdrop-filter:blur(10px); }
.hero-title { font-size:clamp(2.4rem,6vw,4.5rem); font-weight:900; line-height:1.1; letter-spacing:-.03em; margin-bottom:20px; }
.gradient-text { background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero-subtitle { font-size:clamp(1rem,2vw,1.15rem); color:var(--text-secondary); max-width:600px; margin:0 auto 36px; line-height:1.8; }
.hero-actions { display:flex; align-items:center; justify-content:center; gap:16px; flex-wrap:wrap; margin-bottom:50px; }

/* Buttons */
.btn { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; border-radius:40px; font-size:.95rem; font-weight:600; transition:all var(--transition-bounce); position:relative; overflow:hidden; border:2px solid transparent; }
.btn::before { content:''; position:absolute; inset:0; opacity:0; transition:opacity var(--transition); background:rgba(255,255,255,.12); }
.btn:hover::before { opacity:1; }
.btn-primary { background:linear-gradient(135deg,var(--primary),var(--accent)); color:#fff; }
.btn-glow { box-shadow:0 4px 30px var(--primary-glow); }
.btn-glow:hover { box-shadow:0 8px 50px var(--primary-glow),0 0 0 1px var(--primary); transform:translateY(-2px) scale(1.02); }
.btn-ghost { background:var(--bg-glass); border:2px solid var(--border); color:var(--text-primary); backdrop-filter:blur(10px); }
.btn-ghost:hover { border-color:var(--primary); color:var(--primary); transform:translateY(-2px); }
.btn-arrow { transition:transform var(--transition); }
.btn:hover .btn-arrow { transform:translateX(5px); }

.hero-stats { display:flex; align-items:center; justify-content:center; gap:24px; flex-wrap:wrap; }
.stat { text-align:center; }
.stat-num { display:block; font-size:1.6rem; font-weight:800; background:linear-gradient(135deg,var(--primary),var(--accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.stat-label { font-size:.78rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.1em; }
.stat-divider { width:1px; height:40px; background:var(--border); }
.hero-scroll-hint { position:absolute; bottom:40px; left:50%; transform:translateX(-50%); display:flex; flex-direction:column; align-items:center; gap:6px; font-size:.75rem; color:var(--text-muted); animation:bounceDown 2s ease-in-out infinite; }
@keyframes bounceDown { 0%,100% { transform:translateX(-50%) translateY(0); } 50% { transform:translateX(-50%) translateY(8px); } }

/* ===== SECTION GENERIC ===== */
.section-container { max-width:1280px; margin:0 auto; padding:100px 24px; position:relative; z-index:1; }
.section-header { text-align:center; margin-bottom:60px; }
.section-tag { display:inline-block; font-size:.78rem; text-transform:uppercase; letter-spacing:.15em; font-weight:600; color:var(--accent); background:rgba(6,182,212,.1); border:1px solid rgba(6,182,212,.25); border-radius:40px; padding:6px 16px; margin-bottom:16px; }
.section-title { font-size:clamp(1.8rem,4vw,3rem); font-weight:800; line-height:1.2; letter-spacing:-.02em; margin-bottom:16px; }
.section-subtitle { color:var(--text-secondary); font-size:1.05rem; max-width:550px; margin:0 auto; }

/* ===== TOOLS GRID ===== */
.tools-section { position:relative; z-index:1; }
.tools-section::before { content:''; position:absolute; left:50%; top:0; transform:translateX(-50%); width:80%; height:1px; background:linear-gradient(90deg,transparent,var(--border),transparent); }
.tools-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }

.tool-card { position:relative; display:flex; flex-direction:column; gap:16px; padding:28px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); backdrop-filter:blur(12px); overflow:hidden; transition:all var(--transition); cursor:pointer; }
.tool-card-glow { position:absolute; inset:0; background:radial-gradient(ellipse at top left,var(--primary-glow),transparent 70%); opacity:0; transition:opacity var(--transition); pointer-events:none; border-radius:inherit; }
.tool-card:hover { border-color:var(--border-hover); transform:translateY(-6px); background:var(--bg-card-hover); box-shadow:var(--shadow-md); }
.tool-card:hover .tool-card-glow { opacity:1; }
.tool-icon-wrap { width:56px; height:56px; border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; background:color-mix(in srgb,var(--icon-color) 15%,transparent); border:1px solid color-mix(in srgb,var(--icon-color) 30%,transparent); font-size:1.5rem; transition:all var(--transition-bounce); flex-shrink:0; }
.tool-card:hover .tool-icon-wrap { transform:scale(1.1) rotate(-5deg); }
.tool-info { flex:1; }
.tool-name { font-size:1.05rem; font-weight:700; margin-bottom:6px; color:var(--text-primary); }
.tool-desc { font-size:.85rem; color:var(--text-secondary); line-height:1.6; }
.tool-arrow { font-size:1.1rem; color:var(--text-muted); transition:all var(--transition); align-self:flex-end; }
.tool-card:hover .tool-arrow { color:var(--primary); transform:translateX(4px); }

/* ===== FEATURES ===== */
.features-section { position:relative; z-index:1; background:var(--bg-2); }
.features-section::before,.features-section::after { content:''; position:absolute; left:0; right:0; height:1px; background:linear-gradient(90deg,transparent,var(--border),transparent); }
.features-section::before { top:0; }
.features-section::after { bottom:0; }
.features-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:20px; }
.feature-card { padding:32px 28px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); text-align:center; backdrop-filter:blur(12px); transition:all var(--transition); }
.feature-card:hover { border-color:var(--primary); transform:translateY(-4px); box-shadow:var(--shadow-sm); }
.feature-icon { font-size:2.5rem; margin-bottom:20px; display:block; }
.feature-card h3 { font-size:1.1rem; font-weight:700; margin-bottom:10px; }
.feature-card p { font-size:.88rem; color:var(--text-secondary); line-height:1.7; }

/* ===== FOOTER ===== */
.footer { position:relative; z-index:1; padding-top:80px; border-top:1px solid var(--border); }
.footer-container { max-width:1280px; margin:0 auto; padding:0 24px 60px; display:grid; grid-template-columns:1.5fr 2fr; gap:60px; }
.footer-brand .logo { margin-bottom:16px; }
.footer-tagline { font-size:.88rem; color:var(--text-secondary); line-height:1.7; max-width:280px; margin-bottom:24px; }
.footer-socials { display:flex; gap:12px; }
.social-link { width:40px; height:40px; border-radius:50%; background:var(--bg-glass); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; font-size:1rem; transition:all var(--transition); }
.social-link:hover { border-color:var(--primary); transform:translateY(-3px); }
.footer-links { display:grid; grid-template-columns:repeat(3,1fr); gap:40px; }
.footer-col h4 { font-size:.85rem; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--text-muted); margin-bottom:20px; }
.footer-col ul { list-style:none; display:flex; flex-direction:column; gap:12px; }
.footer-col a { font-size:.88rem; color:var(--text-secondary); transition:color var(--transition); }
.footer-col a:hover { color:var(--primary); }
.footer-bottom { border-top:1px solid var(--border); text-align:center; padding:24px; font-size:.82rem; color:var(--text-muted); }

/* ===== ANIMATIONS ===== */
.animate-fade-in { opacity:0; animation:fadeIn .8s ease forwards; }
.animate-slide-up { opacity:0; transform:translateY(30px); animation:slideUp .8s ease forwards; }
.animate-card { opacity:0; transform:translateY(40px); }
.animate-card.visible { animation:slideUp .7s ease forwards; animation-delay:var(--delay,0s); }
.delay-1 { animation-delay:.15s; }
.delay-2 { animation-delay:.3s; }
.delay-3 { animation-delay:.5s; }
@keyframes fadeIn { to { opacity:1; } }
@keyframes slideUp { to { opacity:1; transform:translateY(0); } }

/* ===== TOAST ===== */
.toast-container { position:fixed; bottom:30px; right:30px; z-index:9999; display:flex; flex-direction:column; gap:10px; }
.toast { display:flex; align-items:center; gap:12px; padding:14px 20px; border-radius:var(--radius-md); background:var(--bg-2); border:1px solid var(--border); backdrop-filter:blur(20px); box-shadow:var(--shadow-md); font-size:.88rem; font-weight:500; color:var(--text-primary); min-width:280px; max-width:360px; transform:translateX(120%); transition:transform .4s cubic-bezier(0.34,1.56,0.64,1); }
.toast.show { transform:translateX(0); }
.toast.toast-success { border-color:rgba(16,185,129,.4); }
.toast.toast-error { border-color:rgba(244,63,94,.4); }
.toast.toast-info { border-color:rgba(6,182,212,.4); }

/* ===== SPINNER ===== */
.spinner { width:40px; height:40px; border:3px solid var(--border); border-top-color:var(--primary); border-radius:50%; animation:spin .8s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

/* ===== TOOL PAGE SHARED ===== */
.tool-page-wrap { min-height:100vh; padding-top:var(--nav-height); position:relative; z-index:1; }
.tool-page-hero { text-align:center; padding:60px 24px 50px; max-width:700px; margin:0 auto; }
.tool-page-icon { font-size:3.5rem; margin-bottom:20px; }
.tool-page-title { font-size:clamp(1.6rem,4vw,2.5rem); font-weight:800; margin-bottom:12px; letter-spacing:-.02em; }
.tool-page-sub { color:var(--text-secondary); font-size:1rem; line-height:1.7; }
.tool-page-body { max-width:800px; margin:0 auto; padding:0 24px 100px; }
.tool-box { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-xl); padding:36px; backdrop-filter:blur(12px); }
.form-group { margin-bottom:20px; }
.form-label { display:block; font-size:.85rem; font-weight:600; color:var(--text-secondary); margin-bottom:8px; text-transform:uppercase; letter-spacing:.05em; }
.form-input { width:100%; background:var(--bg-glass); border:1px solid var(--border); border-radius:var(--radius-md); padding:14px 18px; color:var(--text-primary); font-size:.95rem; outline:none; transition:all var(--transition); }
.form-input:focus { border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-glow); background:var(--bg-card); }
.form-input::placeholder { color:var(--text-muted); }

.dropzone { border:2px dashed var(--border); border-radius:var(--radius-lg); padding:50px 30px; text-align:center; cursor:pointer; transition:all var(--transition); background:var(--bg-glass); }
.dropzone:hover, .dropzone.dragover { border-color:var(--primary); background:rgba(108,99,255,.05); }
.dropzone-icon { font-size:3rem; margin-bottom:16px; }
.dropzone-title { font-size:1.05rem; font-weight:600; margin-bottom:8px; }
.dropzone-sub { font-size:.85rem; color:var(--text-muted); }

.result-box { margin-top:24px; background:var(--bg-glass); border:1px solid var(--border); border-radius:var(--radius-lg); padding:24px; display:none; }
.result-box.active { display:block; animation:fadeIn .4s ease; }

.back-link { display:inline-flex; align-items:center; gap:8px; color:var(--text-secondary); font-size:.88rem; font-weight:500; padding:16px 24px; transition:color var(--transition); }
.back-link:hover { color:var(--primary); }

.copy-btn { display:inline-flex; align-items:center; gap:8px; padding:8px 16px; background:var(--bg-glass); border:1px solid var(--border); border-radius:var(--radius-sm); font-size:.82rem; font-weight:600; color:var(--text-secondary); cursor:pointer; transition:all var(--transition); }
.copy-btn:hover { border-color:var(--primary); color:var(--primary); }

.progress-bar-wrap { background:var(--bg-2); border-radius:40px; overflow:hidden; height:8px; margin:20px 0; display:none; }
.progress-bar-wrap.active { display:block; }
.progress-bar-fill { height:100%; border-radius:40px; background:linear-gradient(90deg,var(--primary),var(--accent)); transition:width .3s ease; }

.hashtag-list { display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }
.hashtag-chip { display:inline-flex; align-items:center; gap:8px; padding:8px 16px; background:rgba(108,99,255,.12); border:1px solid rgba(108,99,255,.25); border-radius:40px; font-size:.85rem; font-weight:500; color:var(--primary); transition:all var(--transition); cursor:pointer; }
.hashtag-chip:hover { background:rgba(108,99,255,.2); transform:translateY(-2px); }

.strength-bar { height:6px; border-radius:40px; background:var(--bg-2); overflow:hidden; margin-top:12px; }
.strength-fill { height:100%; border-radius:40px; transition:width .4s ease,background .4s ease; }

/* ===== THUMBNAIL GRID ===== */
.thumb-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:16px; margin-top:20px; }
.thumb-card { border-radius:var(--radius-md); overflow:hidden; border:1px solid var(--border); background:var(--bg-card); transition:all var(--transition); }
.thumb-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-sm); }
.thumb-card img { width:100%; aspect-ratio:16/9; object-fit:cover; }
.thumb-card-footer { padding:12px; display:flex; align-items:center; justify-content:space-between; }
.thumb-label { font-size:.78rem; font-weight:600; color:var(--text-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width:1024px) {
  .footer-container { grid-template-columns:1fr; gap:40px; }
  .footer-links { grid-template-columns:repeat(3,1fr); }
}
@media (max-width:768px) {
  .nav-mobile-toggle { display:flex; }
  .nav-center { display:none; }
  .nav-center.open { display:flex; position:fixed; top:var(--nav-height); left:0; right:0; background:var(--bg-2); padding:20px; border-bottom:1px solid var(--border); z-index:999; }
  .tools-grid { grid-template-columns:1fr; }
  .features-grid { grid-template-columns:1fr; }
  .footer-links { grid-template-columns:repeat(2,1fr); }
  .stat-divider { display:none; }
  .tool-box { padding:24px; }
}
@media (max-width:480px) {
  .footer-links { grid-template-columns:1fr; }
  .hero-actions { flex-direction:column; }
  .toast-container { bottom:16px; right:16px; left:16px; }
  .toast { min-width:unset; max-width:100%; }
}