:root {
  --bg-base:#0c0c0e; --bg-pulse:#18100c; --bg-surface:#141416;
  --text-active:#d0ccc6; --cursor-color:#b8a080;
  --toolbar-bg:rgba(16,16,20,.9); --toolbar-border:rgba(255,255,255,.06); --toolbar-text:#7a766e;
  --accent:#b8a080; --accent-rgb:184,160,128;
  --accent-dim:rgba(var(--accent-rgb),.12); --accent-hover:rgba(var(--accent-rgb),.22);
  --accent-pressed:rgba(var(--accent-rgb),.34); --accent-border:rgba(var(--accent-rgb),.25);
  --accent-glow:rgba(var(--accent-rgb),.15);
  --modal-overlay:rgba(0,0,0,.55); --modal-bg:#141416; --modal-border:rgba(255,255,255,.08);
  --toast-bg:rgba(var(--accent-rgb),.1); --toast-border:rgba(var(--accent-rgb),.18);
  --selection-bg:rgba(var(--accent-rgb),.18);
  --noise-opacity:.02; --vignette-opacity:0; --grain-blend:overlay;
  --glow-spread:0px; --glow-color:transparent;
  --flow-cold:#3b5998; --flow-mid:#7b5fa0; --flow-hot:#c89040;
  --blur-transition:.6s; --scroll-behavior:smooth;
  --font-writing:'Iowan Old Style','Palatino Linotype',Palatino,'Book Antiqua',Georgia,serif;
  --font-ui:'Avenir Next',Avenir,'Gill Sans','SF Pro Text',system-ui,sans-serif;
  --font-size:1.18rem; --line-height:1.78;
  --blur-amount:4px; --opacity-blurred:.18; --block-transition-curve:ease-out;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{height:100%;scroll-behavior:var(--scroll-behavior);-webkit-font-smoothing:antialiased}
body{height:100%;overflow:hidden;background:var(--bg-base);color:var(--text-active);font-family:var(--font-writing);font-size:var(--font-size);line-height:var(--line-height);transition:background-color .8s ease,color .6s ease}
body::before{content:'';position:fixed;inset:0;z-index:0;opacity:var(--noise-opacity);pointer-events:none;mix-blend-mode:var(--grain-blend);background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:256px;transition:opacity .8s ease}
body::after{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;opacity:var(--vignette-opacity);background:radial-gradient(ellipse at center,transparent 40%,var(--bg-base) 100%);transition:opacity .8s ease}
#ambient-glow{position:fixed;top:50%;left:50%;width:600px;height:600px;transform:translate(-50%,-50%);border-radius:50%;background:var(--glow-color);filter:blur(var(--glow-spread));opacity:.06;pointer-events:none;z-index:0;transition:background 1.2s ease,filter 1.2s ease}
#writing-surface{position:relative;z-index:1;width:100%;max-width:680px;margin:0 auto;padding:50vh 24px;min-height:100vh}
.block{position:relative;outline:none;padding:4px 0;min-height:1.75em;word-wrap:break-word;overflow-wrap:break-word;caret-color:var(--accent);transition:filter var(--blur-transition) var(--block-transition-curve),opacity var(--blur-transition) var(--block-transition-curve),color .5s ease}
.block.blurred{filter:blur(var(--blur-amount));opacity:var(--opacity-blurred);pointer-events:none;user-select:none;-webkit-user-select:none}
.block.active{filter:none;opacity:1}
.block.active::after{content:'';position:absolute;bottom:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,var(--accent-dim) 30%,var(--accent-dim) 70%,transparent 100%)}
#flow-line{position:fixed;bottom:0;left:0;width:100%;height:2px;z-index:10;background:var(--flow-cold);transition:background 1.5s ease-in-out,height 1.5s ease-in-out,box-shadow 1.5s ease-in-out}

/* Stats overlay */
#stats-overlay{position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.5);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;pointer-events:none;transition:opacity .6s ease}
#stats-overlay.visible{opacity:1;pointer-events:auto}
#stats-card{background:var(--modal-bg);border:1px solid var(--modal-border);border-radius:20px;padding:36px 44px;max-width:340px;width:90%;text-align:center;font-family:var(--font-ui);transform:scale(.95) translateY(10px);transition:transform .4s cubic-bezier(.2,0,0,1),background .6s ease}
#stats-overlay.visible #stats-card{transform:scale(1) translateY(0)}
#stats-card h2{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--toolbar-text);margin-bottom:24px}
.stat-row{display:flex;justify-content:space-between;align-items:baseline;padding:8px 0;border-bottom:1px solid rgba(var(--accent-rgb),.06)}
.stat-row:last-child{border-bottom:none}
.stat-label{font-size:.6rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--toolbar-text)}
.stat-value{font-size:1.1rem;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
#stats-card .dismiss-hint{margin-top:20px;font-size:.5rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:rgba(var(--accent-rgb),.3);animation:breathe 2.5s ease-in-out infinite}

/* Toolbar */
#toolbar{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:100;display:flex;align-items:center;gap:8px;padding:7px 14px;background:var(--toolbar-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--toolbar-border);border-radius:12px;color:var(--toolbar-text);font-family:var(--font-ui);font-size:.6rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;user-select:none;transition:opacity .3s ease,background .6s ease,border-color .6s ease;cursor:grab}
#toolbar:active{cursor:grabbing}#toolbar.faded{opacity:.2}#toolbar:hover{opacity:1!important}
.tb-sep{width:1px;height:16px;background:var(--toolbar-border);flex-shrink:0;transition:background .5s ease}
.tb-btn{position:relative;background:none;border:1px solid transparent;color:var(--toolbar-text);font-family:var(--font-ui);font-size:.6rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;padding:5px 10px;border-radius:6px;cursor:pointer;white-space:nowrap;transition:all .2s cubic-bezier(.2,0,0,1);transform:translateY(0)}
.tb-btn:hover{color:var(--accent);background:var(--accent-hover);border-color:var(--accent-border);transform:translateY(-1px);box-shadow:0 2px 8px var(--accent-glow)}
.tb-btn:active{color:var(--accent);background:var(--accent-pressed);border-color:var(--accent);transform:translateY(1px);box-shadow:inset 0 1px 4px rgba(0,0,0,.25);transition-duration:.05s}
.tb-btn.on{color:var(--accent);background:var(--accent-dim);border-color:var(--accent-border)}
.tb-btn.on:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 2px 8px var(--accent-glow)}
.tb-btn.on:active{background:var(--accent-pressed);transform:translateY(1px);box-shadow:inset 0 1px 4px rgba(0,0,0,.25)}
.tb-btn.export{color:var(--accent);border-color:var(--accent-border);background:var(--accent-dim)}
.tb-btn.export:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 3px 12px var(--accent-glow)}
.tb-btn.export:active{background:var(--accent-pressed);transform:translateY(1px);box-shadow:inset 0 1px 4px rgba(0,0,0,.3)}
.tb-select{background:transparent;border:1px solid var(--toolbar-border);color:var(--toolbar-text);font-family:var(--font-ui);font-size:.6rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;padding:5px 8px;border-radius:6px;cursor:pointer;outline:none;transition:all .2s ease}
.tb-select option{background:var(--bg-surface);color:var(--text-active)}
.tb-select:hover{border-color:var(--accent-border);color:var(--accent);background:var(--accent-dim)}
.tb-select:focus{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}

/* Theme picker */
#theme-picker{position:relative;display:flex;align-items:center;height:28px;cursor:pointer}
#theme-active-orb{width:18px;height:18px;border-radius:50%;flex-shrink:0;border:2px solid var(--accent-border);box-shadow:0 0 6px var(--accent-glow);transition:border-color .3s ease,box-shadow .3s ease,transform .2s ease}
#theme-picker:hover #theme-active-orb,#theme-picker.open #theme-active-orb{transform:scale(1.1)}
#theme-active-label{margin-left:6px;color:var(--toolbar-text);font-size:.6rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;white-space:nowrap;transition:color .3s ease}
#theme-tray{position:absolute;bottom:calc(100% + 2px);left:50%;display:flex;flex-direction:column;align-items:stretch;gap:2px;padding:6px;background:var(--toolbar-bg);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--toolbar-border);border-radius:14px;opacity:0;pointer-events:none;transform:translateX(-50%) translateY(4px) scale(.97);transition:opacity .22s ease,transform .22s cubic-bezier(.2,0,0,1);z-index:110}
#theme-tray::after{content:'';position:absolute;top:100%;left:0;right:0;height:14px;background:transparent}
#theme-picker:hover #theme-tray,#theme-picker.open #theme-tray{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0) scale(1)}
#theme-picker:hover #theme-active-label,#theme-picker.open #theme-active-label{color:var(--accent)}
.theme-orb-row{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:8px;transition:background .15s ease;cursor:pointer}
.theme-orb-row:hover{background:var(--accent-dim)}.theme-orb-row:active{background:var(--accent-pressed)}.theme-orb-row.current{background:var(--accent-dim)}
.theme-orb{width:20px;height:20px;border-radius:50%;flex-shrink:0;border:2px solid rgba(255,255,255,.06);transition:border-color .2s ease,transform .15s ease}
.theme-orb-row:hover .theme-orb{border-color:rgba(255,255,255,.18);transform:scale(1.12)}.theme-orb-row.current .theme-orb{border-color:var(--accent)}
.theme-orb-name{font-size:.56rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--toolbar-text);white-space:nowrap;transition:color .15s ease}
.theme-orb-row:hover .theme-orb-name{color:var(--text-active)}.theme-orb-row.current .theme-orb-name{color:var(--accent)}

/* Modals */
#confirm-overlay{position:fixed;inset:0;z-index:500;display:flex;align-items:center;justify-content:center;background:var(--modal-overlay);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .3s ease}
#confirm-overlay.visible{opacity:1;pointer-events:auto}
#confirm-box{background:var(--modal-bg);border:1px solid var(--modal-border);border-radius:16px;padding:32px;max-width:380px;width:90%;text-align:center;font-family:var(--font-ui);transform:scale(.95) translateY(8px);transition:transform .3s ease,background .6s ease}
#confirm-overlay.visible #confirm-box{transform:scale(1) translateY(0)}
#confirm-box h2{font-size:.9rem;font-weight:600;color:var(--accent);margin-bottom:12px;letter-spacing:.03em}
#confirm-box p{font-size:.78rem;color:var(--toolbar-text);line-height:1.6;margin-bottom:28px}
.confirm-actions{display:flex;gap:12px;justify-content:center}
.confirm-actions button{font-family:var(--font-ui);font-size:.65rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:10px 24px;border-radius:8px;cursor:pointer;border:1px solid transparent;transition:all .2s cubic-bezier(.2,0,0,1);transform:translateY(0)}
#confirm-cancel{background:transparent;color:var(--toolbar-text);border-color:var(--modal-border)}
#confirm-cancel:hover{background:var(--accent-dim);color:var(--text-active);transform:translateY(-1px)}
#confirm-cancel:active{transform:translateY(1px);background:var(--accent-pressed)}
#confirm-ok{background:var(--accent-dim);color:var(--accent);border-color:var(--accent-border)}
#confirm-ok:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 3px 12px var(--accent-glow)}
#confirm-ok:active{background:var(--accent-pressed);transform:translateY(1px);box-shadow:inset 0 1px 4px rgba(0,0,0,.25)}

#toast{position:fixed;top:32px;left:50%;transform:translateX(-50%) translateY(-20px);z-index:600;padding:10px 24px;background:var(--toast-bg);backdrop-filter:blur(12px);border:1px solid var(--toast-border);border-radius:8px;color:var(--accent);font-family:var(--font-ui);font-size:.72rem;font-weight:500;letter-spacing:.03em;opacity:0;pointer-events:none;transition:opacity .4s ease,transform .4s ease}
#toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}

#splash{position:fixed;inset:0;z-index:300;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--bg-base);text-align:center;padding:24px;transition:opacity .6s ease}
#splash h1{font-family:var(--font-ui);font-size:1rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;margin-bottom:28px;color:var(--accent)}
#splash p{font-family:var(--font-ui);font-size:.82rem;font-weight:400;line-height:1.9;max-width:400px;color:var(--toolbar-text);margin-bottom:8px}
#splash .hint{margin-top:44px;font-family:var(--font-ui);font-size:.6rem;font-weight:700;color:var(--accent);letter-spacing:.16em;text-transform:uppercase;animation:breathe 2.5s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.35}50%{opacity:1}}
#splash.hidden{opacity:0;pointer-events:none}
::-webkit-scrollbar{display:none}html{scrollbar-width:none}::selection{background:var(--selection-bg);color:var(--text-active)}