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

/* ===== Theme Variables ===== */
[data-theme="dark"] {
    --bg-primary: #0a0b0f;
    --bg-secondary: #12131a;
    --bg-tertiary: #1a1b25;
    --bg-elevated: #1e1f2e;
    --bg-hover: #252638;
    --border-subtle: rgba(255,255,255,0.06);
    --border-default: rgba(255,255,255,0.1);
    --border-hover: rgba(255,255,255,0.15);
    --text-primary: #e8e9ed;
    --text-secondary: #9ca0b0;
    --text-tertiary: #6b6f82;
    --text-muted: #4a4d5e;
    --gradient-bg: linear-gradient(180deg, #0a0b0f 0%, #0f1019 100%);
    --modal-bg: rgba(0,0,0,0.7);
}

[data-theme="light"] {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f5f6f8;
    --bg-elevated: #ffffff;
    --bg-hover: #e8eaef;
    --border-subtle: rgba(0,0,0,0.06);
    --border-default: rgba(0,0,0,0.1);
    --border-hover: rgba(0,0,0,0.18);
    --text-primary: #1a1b25;
    --text-secondary: #5a5e70;
    --text-tertiary: #8a8e9e;
    --text-muted: #b0b3c0;
    --gradient-bg: linear-gradient(180deg, #f0f2f5 0%, #e8eaef 100%);
    --modal-bg: rgba(0,0,0,0.35);
}

:root {
    --accent-violet: #a78bfa;
    --accent-violet-dim: rgba(167,139,250,0.15);
    --accent-cyan: #06b6d4;
    --accent-cyan-dim: rgba(6,182,212,0.15);
    --accent-green: #34d399;
    --accent-green-dim: rgba(52,211,153,0.15);
    --accent-orange: #fb923c;
    --accent-orange-dim: rgba(251,146,60,0.15);
    --accent-rose: #fb7185;
    --accent-rose-dim: rgba(251,113,133,0.15);
    --accent-yellow: #fbbf24;
    --accent-yellow-dim: rgba(251,191,36,0.15);
    --gradient-primary: linear-gradient(135deg, #a78bfa, #06b6d4);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.2);
    --shadow-glow: 0 0 20px rgba(167,139,250,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --transition-fast: 150ms cubic-bezier(0.4,0,0.2,1);
    --transition-normal: 250ms cubic-bezier(0.4,0,0.2,1);
    --transition-slow: 400ms cubic-bezier(0.4,0,0.2,1);
}

html{font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-sans);background:var(--gradient-bg);color:var(--text-primary);min-height:100vh;overflow-x:hidden;transition:background 0.3s,color 0.3s}

/* Theme toggle icons */
[data-theme="dark"] .icon-moon{display:none}
[data-theme="light"] .icon-sun{display:none}
[data-theme="light"] .icon-moon{display:block}

/* ===== Particles ===== */
.bg-particles{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:hidden}
.bg-particles .particle{position:absolute;border-radius:50%;opacity:0;animation:particleFloat linear infinite}
@keyframes particleFloat{0%{opacity:0;transform:translateY(100vh) scale(0)}10%{opacity:1}90%{opacity:1}100%{opacity:0;transform:translateY(-10vh) scale(1)}}
[data-theme="light"] .bg-particles{opacity:0.4}

/* ===== Layout ===== */
.app-container{position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:20px 24px 48px}

/* ===== PRO Badge ===== */
.pro-badge{font-size:0.55rem;background:var(--gradient-primary);color:#fff;padding:2px 8px;border-radius:20px;vertical-align:super;-webkit-text-fill-color:#fff;letter-spacing:0.08em;font-weight:700}

/* ===== Header ===== */
.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 0 20px}
.logo-section{display:flex;align-items:center;gap:14px}
.logo-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border-default);border-radius:var(--radius-md);animation:logoPulse 3s ease-in-out infinite}
@keyframes logoPulse{0%,100%{box-shadow:0 0 0 0 rgba(167,139,250,0)}50%{box-shadow:0 0 16px 2px rgba(167,139,250,0.2)}}
.app-header h1{font-size:1.4rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-0.02em}
.subtitle{font-size:0.78rem;color:var(--text-tertiary);margin-top:2px}
.header-actions{display:flex;gap:6px}

/* ===== Stats Bar ===== */
.stats-bar{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-bottom:20px}
.stat-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:14px 16px;text-align:center;transition:all var(--transition-fast)}
.stat-card:hover{border-color:var(--border-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--accent-violet);font-variant-numeric:tabular-nums}
.stat-label{display:block;font-size:0.68rem;color:var(--text-tertiary);margin-top:4px;text-transform:uppercase;letter-spacing:0.06em;font-weight:500}
.stat-green{color:var(--accent-green)}
.stat-cyan{color:var(--accent-cyan)}
.stat-rose{color:var(--accent-rose)}
.stat-orange{color:var(--accent-orange)}

/* ===== Buttons ===== */
.btn-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}
.btn-icon:hover{background:var(--bg-hover);border-color:var(--border-hover);color:var(--text-primary);transform:translateY(-1px)}
.btn-secondary{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-sans);font-size:0.73rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-hover);color:var(--text-primary);transform:translateY(-1px)}
.btn-sm{padding:5px 10px;font-size:0.7rem}
.btn-add{border-color:var(--accent-green);color:var(--accent-green)}
.btn-add:hover{background:var(--accent-green-dim);border-color:var(--accent-green)}
.btn-danger{border-color:var(--accent-rose);color:var(--accent-rose)}
.btn-danger:hover{background:var(--accent-rose-dim);border-color:var(--accent-rose)}
.btn-convert{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px 24px;background:var(--gradient-primary);border:none;border-radius:var(--radius-md);color:white;font-family:var(--font-sans);font-size:0.9rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-glow);position:relative;overflow:hidden}
.btn-convert::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.15),transparent);transition:left 0.5s ease}
.btn-convert:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(167,139,250,0.3)}
.btn-convert:hover::before{left:100%}
.btn-convert:active{transform:translateY(0)}

/* ===== Main Content ===== */
.main-content{display:grid;grid-template-columns:1fr 220px 1fr;gap:16px;align-items:start}

/* ===== Panel ===== */
.panel{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;transition:border-color var(--transition-normal)}
.panel:hover{border-color:var(--border-default)}
.panel-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border-subtle);background:rgba(128,128,128,0.02)}
.panel-title{display:flex;align-items:center;gap:8px;font-size:0.82rem;font-weight:600;color:var(--text-secondary)}
.panel-dot{width:8px;height:8px;border-radius:50%}
.input-dot{background:var(--accent-violet);box-shadow:0 0 8px rgba(167,139,250,0.5)}
.output-dot{background:var(--accent-cyan);box-shadow:0 0 8px rgba(6,182,212,0.5)}
.table-dot{background:var(--accent-green);box-shadow:0 0 8px rgba(52,211,153,0.5)}
.panel-actions{display:flex;gap:5px;flex-wrap:wrap}

/* ===== Textarea ===== */
.textarea-wrapper textarea{width:100%;min-height:260px;padding:14px 16px;background:transparent;border:none;outline:none;color:var(--text-primary);font-family:var(--font-mono);font-size:0.78rem;line-height:1.7;resize:vertical;scrollbar-width:thin;scrollbar-color:var(--bg-hover) transparent}
.textarea-wrapper textarea::placeholder{color:var(--text-muted);font-family:var(--font-sans);font-size:0.78rem}
.textarea-wrapper textarea::-webkit-scrollbar{width:5px}
.textarea-wrapper textarea::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:3px}
.textarea-footer{display:flex;align-items:center;justify-content:space-between;padding:7px 16px;border-top:1px solid var(--border-subtle);background:rgba(0,0,0,0.05)}
.detected-format{display:flex;align-items:center;gap:6px;font-size:0.7rem}
.format-label{color:var(--text-tertiary)}
.format-value{color:var(--accent-violet);font-weight:600;padding:2px 7px;background:var(--accent-violet-dim);border-radius:4px;font-size:0.68rem}
.char-count{font-size:0.68rem;color:var(--text-muted);font-variant-numeric:tabular-nums}
.cookie-count{display:flex;align-items:center;gap:5px;font-size:0.7rem;color:var(--accent-cyan);font-weight:500}

/* ===== Controls ===== */
.controls-section{display:flex;flex-direction:column;gap:16px;padding-top:6px}
.selector-label{display:block;font-size:0.7rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:8px}
.format-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px}
.format-btn{display:flex;flex-direction:column;align-items:center;gap:3px;padding:8px 6px;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-sans);font-size:0.62rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}
.format-icon{font-size:0.85rem;font-weight:700;font-family:var(--font-mono);line-height:1}
.format-btn:hover{background:var(--bg-hover);border-color:var(--border-hover);color:var(--text-primary);transform:translateY(-1px)}
.format-btn.active{background:var(--accent-violet-dim);border-color:var(--accent-violet);color:var(--accent-violet);box-shadow:0 0 10px rgba(167,139,250,0.12)}

/* ===== Table Section ===== */
.table-section{margin-top:20px;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;transition:border-color var(--transition-normal)}
.table-section:hover{border-color:var(--border-default)}
.table-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border-subtle);gap:10px;flex-wrap:wrap}
.table-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.table-badge{background:var(--accent-violet-dim);color:var(--accent-violet);font-size:0.65rem;font-weight:700;padding:2px 8px;border-radius:10px;min-width:24px;text-align:center}
.search-box{display:flex;align-items:center;gap:6px;padding:5px 10px;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);transition:border-color var(--transition-fast)}
.search-box:focus-within{border-color:var(--accent-violet)}
.search-box input{border:none;outline:none;background:none;color:var(--text-primary);font-family:var(--font-sans);font-size:0.73rem;width:120px}
.search-box input::placeholder{color:var(--text-muted)}
.table-container{overflow-x:auto;max-height:400px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--bg-hover) transparent;transition:max-height var(--transition-slow)}
.table-container.collapsed{max-height:0;overflow:hidden}
.table-footer{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;border-top:1px solid var(--border-subtle);background:rgba(0,0,0,0.03)}
.table-footer.hidden{display:none}
.selected-count{font-size:0.7rem;color:var(--text-muted)}

#cookieTable{width:100%;border-collapse:collapse;font-size:0.75rem}
#cookieTable thead{position:sticky;top:0;z-index:2}
#cookieTable th{padding:8px 10px;background:var(--bg-tertiary);color:var(--text-tertiary);font-weight:600;font-size:0.65rem;text-transform:uppercase;letter-spacing:0.05em;text-align:left;border-bottom:1px solid var(--border-subtle);white-space:nowrap}
.th-check{width:30px;text-align:center!important}
.th-check input{cursor:pointer;accent-color:var(--accent-violet)}
.th-idx{width:35px}
.th-actions{width:70px;text-align:center!important}
#cookieTable td{padding:6px 10px;color:var(--text-secondary);border-bottom:1px solid var(--border-subtle);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--font-mono);font-size:0.7rem;transition:background var(--transition-fast)}
#cookieTable td:first-child{text-align:center}
#cookieTable td:nth-child(3){color:var(--accent-violet);font-weight:500}
#cookieTable tbody tr{transition:background var(--transition-fast)}
#cookieTable tbody tr:hover{background:rgba(167,139,250,0.04)}
#cookieTable tbody tr.row-duplicate{background:var(--accent-orange-dim)}
#cookieTable tbody tr.row-expired td:nth-child(9){color:var(--accent-rose)}
#cookieTable tbody tr.row-highlight{animation:rowFlash 1s ease}
@keyframes rowFlash{0%{background:var(--accent-green-dim)}100%{background:transparent}}

.row-checkbox{cursor:pointer;accent-color:var(--accent-violet)}
.row-actions{display:flex;gap:4px;justify-content:center}
.row-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:none;border-radius:4px;cursor:pointer;transition:all var(--transition-fast);background:transparent;color:var(--text-muted)}
.row-btn:hover{background:var(--bg-hover);color:var(--text-primary)}
.row-btn-del:hover{background:var(--accent-rose-dim);color:var(--accent-rose)}
.row-btn-edit:hover{background:var(--accent-cyan-dim);color:var(--accent-cyan)}

.badge{display:inline-block;padding:2px 6px;border-radius:4px;font-size:0.6rem;font-weight:600;font-family:var(--font-sans)}
.badge-yes{background:var(--accent-green-dim);color:var(--accent-green)}
.badge-no{background:rgba(128,128,128,0.08);color:var(--text-muted)}
.badge-expired{background:var(--accent-rose-dim);color:var(--accent-rose)}
.badge-active{background:var(--accent-green-dim);color:var(--accent-green)}
.badge-session{background:var(--accent-cyan-dim);color:var(--accent-cyan)}

.table-empty{display:flex;align-items:center;justify-content:center;padding:36px 20px;color:var(--text-muted);font-size:0.8rem}
.table-empty.hidden{display:none}

/* ===== Modals ===== */
.modal-overlay{position:fixed;inset:0;background:var(--modal-bg);display:flex;align-items:center;justify-content:center;z-index:200;opacity:0;pointer-events:none;transition:opacity var(--transition-normal);backdrop-filter:blur(4px)}
.modal-overlay.active{opacity:1;pointer-events:auto}
.modal-panel{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-lg);width:90%;max-width:560px;max-height:80vh;overflow:hidden;transform:translateY(20px) scale(0.96);transition:transform var(--transition-normal);box-shadow:var(--shadow-lg)}
.modal-overlay.active .modal-panel{transform:translateY(0) scale(1)}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-subtle)}
.modal-header h2{font-size:1rem;font-weight:600;color:var(--text-primary)}
.modal-body{padding:20px;overflow-y:auto;max-height:60vh}
.modal-edit{max-width:480px}

/* Merge */
.merge-desc{font-size:0.8rem;color:var(--text-secondary);margin-bottom:12px;line-height:1.5}
#mergeArea{width:100%;min-height:160px;padding:12px;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-mono);font-size:0.78rem;line-height:1.6;resize:vertical;outline:none}
#mergeArea:focus{border-color:var(--accent-violet)}
.merge-actions{margin-top:16px}

/* Edit Form */
.edit-form{display:flex;flex-direction:column;gap:12px}
.form-row{display:flex;flex-direction:column;gap:4px}
.form-row label{font-size:0.72rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:0.05em}
.form-row input,.form-row textarea,.form-row select{padding:8px 12px;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-mono);font-size:0.78rem;outline:none;transition:border-color var(--transition-fast)}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{border-color:var(--accent-violet)}
.form-row select{cursor:pointer;font-family:var(--font-sans)}
.form-row-half{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-checks{display:flex;gap:16px;align-items:flex-end;padding-bottom:8px}
.check-label{display:flex;align-items:center;gap:6px;font-size:0.78rem;color:var(--text-secondary);cursor:pointer}
.check-label input{accent-color:var(--accent-violet);cursor:pointer}

/* History */
.history-item{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);margin-bottom:8px;cursor:pointer;transition:all var(--transition-fast)}
.history-item:hover{border-color:var(--accent-violet);background:var(--accent-violet-dim)}
.history-info{flex:1;min-width:0}
.history-format{font-size:0.7rem;font-weight:600;color:var(--accent-violet)}
.history-meta{font-size:0.65rem;color:var(--text-muted);margin-top:2px}
.history-preview{font-size:0.68rem;color:var(--text-tertiary);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--font-mono)}
.history-empty{text-align:center;padding:32px;color:var(--text-muted);font-size:0.82rem}
.history-del{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:none;background:transparent;color:var(--text-muted);cursor:pointer;border-radius:4px;flex-shrink:0;transition:all var(--transition-fast)}
.history-del:hover{background:var(--accent-rose-dim);color:var(--accent-rose)}

/* ===== Toast ===== */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(80px);display:flex;align-items:center;gap:8px;padding:10px 20px;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-sm);color:var(--text-primary);font-size:0.8rem;font-weight:500;box-shadow:var(--shadow-lg);z-index:1000;opacity:0;transition:all var(--transition-normal);pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast-icon{font-size:1rem}
.toast.success .toast-icon{color:var(--accent-green)}
.toast.error .toast-icon{color:var(--accent-rose)}

/* ===== Drop overlay ===== */
.drop-overlay{position:fixed;inset:0;background:rgba(10,11,15,0.85);display:flex;align-items:center;justify-content:center;z-index:100;opacity:0;pointer-events:none;transition:opacity var(--transition-normal)}
.drop-overlay.active{opacity:1;pointer-events:auto}
.drop-overlay-content{text-align:center;padding:48px;border:2px dashed var(--accent-violet);border-radius:var(--radius-xl);background:var(--accent-violet-dim)}
.drop-overlay-content svg{margin-bottom:16px;color:var(--accent-violet)}
.drop-overlay-content p{font-size:1.1rem;font-weight:600;color:var(--accent-violet)}

/* ===== Animations ===== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.app-header{animation:fadeInUp 0.4s ease-out}
.stats-bar{animation:fadeInUp 0.5s ease-out 0.05s both}
.input-panel{animation:fadeInUp 0.5s ease-out 0.1s both}
.controls-section{animation:fadeInUp 0.5s ease-out 0.15s both}
.output-panel{animation:fadeInUp 0.5s ease-out 0.2s both}
.table-section{animation:fadeInUp 0.5s ease-out 0.25s both}

/* ===== Responsive ===== */
@media(max-width:1024px){
    .main-content{grid-template-columns:1fr}
    .controls-section{flex-direction:row;flex-wrap:wrap}
    .format-grid{grid-template-columns:repeat(5,1fr)}
    .stats-bar{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:640px){
    .app-container{padding:12px 10px 32px}
    .format-grid{grid-template-columns:repeat(3,1fr)}
    .stats-bar{grid-template-columns:repeat(2,1fr)}
    .panel-actions span,.table-actions span{display:none}
    .search-box input{width:80px}
    .table-actions{gap:4px}
}