:root {
    --font-head: 'Plus Jakarta Sans','Inter',system-ui,sans-serif;
    --font-body: 'Inter',system-ui,-apple-system,sans-serif;
    --font-serif:'Playfair Display',Georgia,serif;
    --font-mono: 'JetBrains Mono','SF Mono',Menlo,monospace;
    --burg:#A8525E; --burg-d:#7A2E38; --pink:#E27B92; --pink-l:#F2B8C4;
    --bg:#FBF7F7; --card:#FFF; --card-2:#F8F2F3; --text:#13090A;
    --text-2:#4A3538; --muted:#8C6D76; --border:#E7D8DA; --border-2:#D8BFC3;
    --shadow-lg:0 12px 32px rgba(168,82,94,.18),0 24px 56px rgba(19,9,10,.14);
    --overlay:rgba(19,9,10,.5); --glow:rgba(168,82,94,.18);
    --ok:#16A34A; --err:#DC2626;
}
html[data-theme="dark"] {
    --bg:#0B0709; --card:#171114; --card-2:#1E1618; --text:#F2E8EA;
    --text-2:#D4C3C6; --muted:#A08080; --border:rgba(255,255,255,.08);
    --border-2:rgba(255,255,255,.14);
    --shadow-lg:0 12px 40px rgba(168,82,94,.28),0 24px 72px rgba(0,0,0,.6);
    --overlay:rgba(0,0,0,.65); --glow:rgba(168,82,94,.32);
    --ok:#4ADE80; --err:#F87171;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .3s,color .3s}
body::before{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(circle at 12% 8%,var(--glow),transparent 42%),radial-gradient(circle at 88% 92%,rgba(226,123,146,.16),transparent 45%);opacity:.85}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font-family:inherit}
button{cursor:pointer}
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:var(--burg)}

/* HEADER */
.pdf-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(16px) saturate(1.15);-webkit-backdrop-filter:blur(16px) saturate(1.15);border-bottom:1px solid var(--border)}
.pdf-header-inner{max-width:1400px;margin:0 auto;padding:0 clamp(16px,2vw,28px);min-height:clamp(64px,6vw,76px);display:flex;align-items:center;gap:clamp(12px,1.6vw,20px)}
.pdf-brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;transition:transform .22s}
.pdf-brand:hover{transform:translateY(-1px)}
.pdf-brand-logo{width:190px;height:54px;object-fit:contain;object-position:center;background:#fff;border-radius:10px;padding:3px 7px;box-shadow:0 5px 16px rgba(0,0,0,.10);flex-shrink:0}
.pdf-brand-text{display:flex;flex-direction:column;line-height:1.1}
.pdf-brand-name{font-family:var(--font-head);font-weight:800;font-size:.95rem;letter-spacing:-.02em;color:var(--text);white-space:nowrap}
.pdf-brand-sub{font-family:var(--font-head);font-weight:600;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--burg);margin-top:2px}
html[data-theme="dark"] .pdf-brand-sub{color:var(--pink)}
.pdf-header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.pdf-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;font-family:var(--font-head);font-weight:600;font-size:.82rem;line-height:1;border:1px solid var(--border);background:transparent;color:var(--text-2);transition:all .22s;white-space:nowrap}
.pdf-btn:hover{background:var(--card);border-color:var(--burg);color:var(--burg)}
.pdf-btn-icon{width:42px;height:42px;padding:0;justify-content:center;border-radius:50%;background:var(--card);font-size:.95rem}
.pdf-btn-icon:hover{background:var(--burg);border-color:var(--burg);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(168,82,94,.32)}

/* PAGE */
.pdf-tool-page{max-width:820px;margin:0 auto;padding:clamp(2rem,4vw,3.5rem) clamp(16px,2vw,28px) clamp(4rem,6vw,6rem)}
.pdf-back-link{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-head);font-weight:600;font-size:.85rem;color:var(--muted);margin-bottom:1.5rem;transition:color .2s}
.pdf-back-link:hover{color:var(--burg)}
.pdf-page-eyebrow{display:inline-flex;align-items:center;gap:.5rem;padding:.42rem 1rem;background:color-mix(in srgb,var(--burg) 10%,transparent);border:1px solid color-mix(in srgb,var(--burg) 24%,transparent);border-radius:999px;font-family:var(--font-head);font-weight:700;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--burg);margin-bottom:1rem}
html[data-theme="dark"] .pdf-page-eyebrow{color:var(--pink-l)}
.pdf-page-title{font-family:var(--font-serif);font-weight:600;font-size:clamp(1.85rem,4vw,2.75rem);line-height:1.1;letter-spacing:-.02em;color:var(--text);margin-bottom:.75rem;text-wrap:balance}
.pdf-page-desc{color:var(--text-2);font-size:clamp(.92rem,1.1vw,1.02rem);line-height:1.7;margin-bottom:2rem;max-width:60ch}

/* FORM CARD */
.pdf-form-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:clamp(1.5rem,3vw,2.25rem);box-shadow:var(--shadow-lg)}

/* DROP ZONE */
.pdf-drop{position:relative;border:2px dashed var(--border-2);border-radius:16px;padding:34px 20px;text-align:center;color:var(--text-2);background:var(--card-2);cursor:pointer;user-select:none;transition:all .22s}
.pdf-drop:hover,.pdf-drop:focus-visible{border-color:var(--burg);background:color-mix(in srgb,var(--burg) 6%,var(--card-2));outline:none}
.pdf-drop.dragover{border-color:var(--burg);background:color-mix(in srgb,var(--burg) 10%,var(--card-2));transform:scale(1.01)}
.pdf-drop i.drop-icon{font-size:2.6rem;color:var(--burg);margin-bottom:12px;display:inline-block}
.pdf-drop .drop-title{font-family:var(--font-head);font-weight:700;font-size:.95rem;color:var(--text);margin-bottom:4px}
.pdf-drop .drop-sub{font-size:.78rem;color:var(--muted)}

/* FILE LIST */
.pdf-file-list{display:flex;flex-direction:column;gap:8px;margin-top:14px}
.pdf-file-item{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--card-2);border:1px solid var(--border);border-radius:12px;animation:pdf-file-in .3s}
@keyframes pdf-file-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.pdf-file-item-icon{width:34px;height:34px;border-radius:9px;background:color-mix(in srgb,var(--burg) 12%,transparent);color:var(--burg);display:grid;place-items:center;font-size:.85rem;flex-shrink:0}
.pdf-file-item-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.pdf-file-item-name{font-size:.84rem;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pdf-file-item-size{font-size:.72rem;color:var(--muted);font-family:var(--font-mono)}
.pdf-file-item-remove{width:28px;height:28px;border-radius:50%;border:0;background:transparent;color:var(--muted);display:grid;place-items:center;font-size:.8rem;transition:all .2s}
.pdf-file-item-remove:hover{background:color-mix(in srgb,var(--err) 14%,transparent);color:var(--err)}

/* FORM CONTROLS */
.pdf-form-group{margin-top:16px}
.pdf-form-group label{display:block;font-family:var(--font-head);font-size:.78rem;font-weight:700;letter-spacing:.02em;color:var(--text);margin-bottom:6px}
.pdf-form-group input[type="text"],
.pdf-form-group input[type="password"],
.pdf-form-group input[type="number"],
.pdf-form-group select,
.pdf-form-group textarea{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:10px;background:var(--card-2);color:var(--text);font-size:.88rem;transition:all .2s}
.pdf-form-group input:focus,.pdf-form-group select:focus{outline:0;border-color:var(--burg);background:var(--card);box-shadow:0 0 0 3px color-mix(in srgb,var(--burg) 18%,transparent)}

/* ACTIONS */
.pdf-actions-row{display:flex;gap:10px;margin-top:20px}
.pdf-action-btn{flex:1;min-height:46px;padding:12px 18px;border:1px solid var(--border);border-radius:12px;background:var(--card);color:var(--text);font-family:var(--font-head);font-weight:700;font-size:.86rem;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .22s}
.pdf-action-btn:hover:not(:disabled){border-color:var(--burg);color:var(--burg);transform:translateY(-1px)}
.pdf-action-btn.primary{background:linear-gradient(135deg,var(--burg),var(--burg-d));border-color:var(--burg);color:#fff;box-shadow:0 6px 18px rgba(168,82,94,.28)}
.pdf-action-btn.primary:hover:not(:disabled){color:#fff;box-shadow:0 10px 26px rgba(168,82,94,.4);transform:translateY(-2px)}
.pdf-action-btn:disabled{opacity:.5;cursor:not-allowed}

/* STATUS */
.pdf-status{margin-top:14px;font-size:.84rem;text-align:center;min-height:20px;line-height:1.5}
.pdf-status .ok{color:var(--ok);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.pdf-status .err{color:var(--err);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.pdf-status .info{color:var(--burg);font-weight:600}
html[data-theme="dark"] .pdf-status .info{color:var(--pink-l)}

/* HUB HERO */
.pdf-hero{max-width:1400px;margin:0 auto;padding:clamp(3rem,6vw,5rem) clamp(16px,2vw,28px) clamp(1.5rem,3vw,2.5rem);text-align:center}
.pdf-hero-eyebrow{display:inline-flex;align-items:center;gap:.5rem;padding:.42rem 1rem;background:color-mix(in srgb,var(--burg) 10%,transparent);border:1px solid color-mix(in srgb,var(--burg) 24%,transparent);border-radius:999px;font-family:var(--font-head);font-weight:700;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--burg);margin-bottom:1.5rem}
html[data-theme="dark"] .pdf-hero-eyebrow{color:var(--pink-l)}
.pdf-hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--pink);box-shadow:0 0 8px var(--pink)}
.pdf-hero h1{font-family:var(--font-serif);font-weight:600;font-size:clamp(2rem,4.6vw,3.5rem);line-height:1.08;letter-spacing:-.02em;color:var(--text);margin-bottom:1rem}
.pdf-hero h1 .accent{font-style:italic;background:linear-gradient(120deg,var(--pink),var(--burg));-webkit-background-clip:text;background-clip:text;color:transparent}
.pdf-hero p{color:var(--text-2);max-width:680px;margin:0 auto;font-size:clamp(.92rem,1.1vw,1.05rem);line-height:1.7}
.pdf-hero p strong{color:var(--text);font-weight:700}

/* HUB PILLS */
.pdf-pills-wrap{max-width:1400px;margin:0 auto;padding:0 clamp(16px,2vw,28px);overflow-x:auto;scrollbar-width:none}
.pdf-pills-wrap::-webkit-scrollbar{display:none}
.pdf-pills{display:inline-flex;gap:8px;padding:4px 0 1.5rem}
.pdf-pill{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--text-2);font-family:var(--font-head);font-weight:600;font-size:.8rem;white-space:nowrap;cursor:pointer;transition:all .2s}
.pdf-pill:hover{border-color:var(--burg);color:var(--burg);transform:translateY(-1px)}
.pdf-pill.active{background:linear-gradient(135deg,var(--burg),var(--burg-d));border-color:var(--burg);color:#fff;box-shadow:0 6px 18px rgba(168,82,94,.32)}

/* HUB GRID */
.pdf-grid{max-width:1400px;margin:0 auto;padding:0 clamp(16px,2vw,28px) clamp(4rem,6vw,6rem);display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.pdf-tool{position:relative;background:var(--card);border:1px solid var(--border);border-radius:18px;padding:22px 20px 20px;transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s,border-color .28s;min-height:160px;display:block}
.pdf-tool:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--burg)}
.pdf-tool.is-hidden{display:none}
.pdf-tool-head{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.pdf-tool-icon{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-size:1.35rem;flex-shrink:0;transition:transform .28s}
.pdf-tool:hover .pdf-tool-icon{transform:scale(1.08) rotate(-3deg)}
.pdf-tool h3{font-family:var(--font-head);font-size:1.02rem;font-weight:700;letter-spacing:-.02em;color:var(--text);line-height:1.25;margin:0}
.pdf-tool p{font-size:.84rem;line-height:1.55;color:var(--text-2);margin:0}
.pdf-tool-meta{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-head);font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:10px}

/* Icon themes */
.pdf-tool-merge  .pdf-tool-icon{background:color-mix(in srgb,#E11D48 14%,transparent);color:#BE123C}
.pdf-tool-split  .pdf-tool-icon{background:color-mix(in srgb,#6D28D9 14%,transparent);color:#7C3AED}
.pdf-tool-lock   .pdf-tool-icon{background:color-mix(in srgb,#C2410C 14%,transparent);color:#EA580C}
.pdf-tool-word   .pdf-tool-icon{background:color-mix(in srgb,#2563EB 14%,transparent);color:#2563EB}
.pdf-tool-edit   .pdf-tool-icon{background:color-mix(in srgb,#A21CAF 14%,transparent);color:#C026D3}
.pdf-tool-jpg    .pdf-tool-icon{background:color-mix(in srgb,#15803D 14%,transparent);color:#16A34A}
.pdf-tool-images .pdf-tool-icon{background:color-mix(in srgb,#CA8A04 14%,transparent);color:#EAB308}
.pdf-tool-compress .pdf-tool-icon{background:color-mix(in srgb,#0E7490 14%,transparent);color:#0891B2}
html[data-theme="dark"] .pdf-tool-merge  .pdf-tool-icon{background:rgba(225,29,72,.15);color:#FB7185}
html[data-theme="dark"] .pdf-tool-split  .pdf-tool-icon{background:rgba(124,58,237,.15);color:#A78BFA}
html[data-theme="dark"] .pdf-tool-lock   .pdf-tool-icon{background:rgba(234,88,12,.15);color:#FB923C}
html[data-theme="dark"] .pdf-tool-word   .pdf-tool-icon{background:rgba(37,99,235,.15);color:#60A5FA}
html[data-theme="dark"] .pdf-tool-edit   .pdf-tool-icon{background:rgba(192,38,211,.15);color:#E879F9}
html[data-theme="dark"] .pdf-tool-jpg    .pdf-tool-icon{background:rgba(22,163,74,.15);color:#4ADE80}
html[data-theme="dark"] .pdf-tool-images .pdf-tool-icon{background:rgba(234,179,8,.15);color:#FACC15}
html[data-theme="dark"] .pdf-tool-compress .pdf-tool-icon{background:rgba(8,145,178,.15);color:#22D3EE}

/* FOOTER */
.pdf-footer{border-top:1px solid var(--border);padding:32px 20px;text-align:center;color:var(--muted);font-size:.82rem;background:var(--card)}
.pdf-footer a{color:var(--burg);font-weight:600}
.pdf-footer a:hover{color:var(--burg-d)}

/* RESPONSIVE */
@media(max-width:768px){
    .pdf-brand-logo{width:165px;height:48px}
    .pdf-brand-text{display:none}
    .pdf-grid{grid-template-columns:1fr;gap:12px}
    .pdf-tool{min-height:auto;padding:18px 16px}
    .pdf-actions-row{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* v2 utility styles */
.pdf-drop input[type=file]{display:none}
.pdf-form-card pre{font-family:var(--font-mono);font-size:.78rem;color:var(--text-2);background:var(--card-2);padding:16px;border-radius:12px}
.pdf-status{word-break:break-word}
.pdf-status .err{display:inline-flex;align-items:center;gap:6px}