/* Sumzy: luxury light UI. Theme lives on <html data-theme>; default is faded pink. */
:root{
  color-scheme:light;
  --accent:#F8BBD0;--accent-soft:#FCE4EC;--accent-strong:#AD1457;--vibrant:#F06292;
  --text:#1d1d1f;--muted:#6e6e73;--border:#ececf0;--danger:#c62828;
  --radius:14px;--ease:all .25s cubic-bezier(.4,0,.2,1);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
html[data-theme="green"]{--accent:#C8E6C9;--accent-soft:#E8F5E9;--accent-strong:#2E7D32;--vibrant:#66BB6A}
*{box-sizing:border-box}
html,body{background:#fff !important;color:var(--text)}   /* permanent white, ignores OS dark mode */
body{margin:0;font-family:var(--font);line-height:1.55;-webkit-font-smoothing:antialiased}
.hidden{display:none !important}
.muted{color:var(--muted);font-size:.92rem}
h1{font-size:clamp(1.7rem,4.5vw,2.6rem);line-height:1.15;margin:.2em 0 .6em;letter-spacing:-.025em}
h2,h3{margin:.2em 0 .5em;letter-spacing:-.01em}

.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px clamp(16px,4vw,40px);border-bottom:1px solid var(--border);background:#fff}
.brand{font-weight:800;font-size:1.55rem;letter-spacing:-.03em;cursor:pointer;user-select:none;padding:2px 8px;margin-left:-8px;border-radius:var(--radius);transition:var(--ease)}
.brand:hover{color:var(--accent-strong);background:var(--accent-soft)}
.topbar-actions{display:flex;gap:8px;align-items:center}
.wrap{max-width:860px;margin:0 auto;padding:28px 16px 72px;display:grid;gap:20px}

.card,.dropzone,textarea,input[type=text],input[type=email],.btn,.badge,.scrollbox,.progress,.trust,.depth-trigger,.depth-tray,.depth-opt{border-radius:var(--radius)}
.card{background:#fff;border:1px solid var(--border);padding:22px}
.badge{display:inline-block;padding:4px 12px;background:var(--accent-soft);border:1px solid var(--border);font-size:.85rem;transition:var(--ease)}
.badge.over{background:#fdecea;color:var(--danger);border-color:var(--danger)}

.btn{font:inherit;font-weight:600;padding:10px 18px;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;text-decoration:none;display:inline-block;text-align:center;transition:var(--ease)}
.btn:hover:not(:disabled){background:var(--accent-soft);transform:translateY(-1px)}
.btn.primary{background:var(--accent);border-color:var(--accent)}
.btn.primary:hover:not(:disabled){background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}
.btn.ghost{background:transparent;border-color:transparent}
.btn.big{padding:14px 30px;font-size:1.05rem}
.btn:disabled{opacity:.45;cursor:not-allowed}
.link{font:inherit;background:none;border:0;color:var(--accent-strong);text-decoration:underline;cursor:pointer;padding:0}
a{color:var(--accent-strong)}
:focus-visible{outline:3px solid var(--accent-strong);outline-offset:2px}

.dropzone{border:2px dashed var(--accent-strong);background:var(--accent-soft);padding:20px;text-align:center;cursor:pointer;transition:var(--ease)}
.dropzone:hover,.dropzone.drag{background:var(--accent)}
.dropzone u{color:var(--accent-strong)}
textarea,input[type=text],input[type=email]{width:100%;font:inherit;color:var(--text);background:#fff;border:1px solid var(--border);padding:14px;transition:var(--ease)}
textarea{min-height:220px;resize:vertical}
textarea:focus,input:focus{border-color:var(--accent-strong);box-shadow:0 0 0 4px var(--accent-soft);outline:none}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px}
.trust{display:grid;gap:10px;background:var(--accent-soft);border:1px solid var(--accent);padding:16px 18px;font-size:.93rem}
.trust p{margin:0}
.trust strong{color:var(--accent-strong)}

/* Depth dropdown: tray is absolutely positioned, so opening it never moves the page */
.controls{display:flex;gap:20px;align-items:flex-end;flex-wrap:wrap}
.depth{position:relative;flex:1 1 280px}
.depth-label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.depth-trigger{width:100%;display:flex;justify-content:space-between;align-items:center;gap:10px;font:inherit;font-weight:600;padding:13px 16px;background:#fff;border:1px solid var(--border);color:var(--text);cursor:pointer;transition:var(--ease)}
.depth-trigger:hover,.depth.open .depth-trigger{border-color:var(--accent-strong);background:var(--accent-soft)}
.depth-trigger svg{width:14px;height:14px;transition:transform .25s cubic-bezier(.4,0,.2,1)}
.depth.open .depth-trigger svg{transform:rotate(180deg)}
.depth-tray{position:absolute;top:calc(100% + 8px);left:0;z-index:30;width:min(520px,calc(100vw - 32px));display:grid;gap:6px;padding:8px;background:#fff;border:1px solid var(--border);box-shadow:0 18px 40px rgba(0,0,0,.12);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s ease,transform .25s cubic-bezier(.4,0,.2,1),visibility .2s}
.depth.open .depth-tray{opacity:1;visibility:visible;transform:none}
.depth-opt{flex:1 1 0;min-width:0;text-align:center;font:inherit;font-weight:600;font-size:.92rem;padding:14px 8px;border:1px solid transparent;background:#fff;color:var(--text);cursor:pointer;transition:var(--ease)}
.depth-opt:hover{background:var(--accent-soft)}
.depth-opt.active{background:var(--accent);border-color:var(--accent-strong)}

.progress{height:10px;background:var(--accent-soft);overflow:hidden}
#progress-bar{height:100%;width:0;background:var(--accent-strong);transition:width .25s cubic-bezier(.4,0,.2,1)}
.output{display:flex;flex-direction:column}
#output-text{white-space:pre-wrap;max-height:340px;overflow:auto}
*{scrollbar-width:thin;scrollbar-color:var(--accent-strong) transparent}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:var(--radius);border:2px solid #fff}

.pricing{margin-top:40px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.plan{position:relative;text-align:center;overflow:hidden;display:grid;gap:6px;justify-items:center}
.plan.featured{border-color:var(--accent-strong);background:var(--accent-soft)}
.plan h3{font-size:1.1rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin:0}
.price{font-size:2.6rem;font-weight:800;letter-spacing:-.03em;margin:0 0 8px}
.price span{font-size:1rem;font-weight:500;color:var(--muted)}
.plan .btn{width:100%}
.ribbon{position:absolute;top:12px;right:-34px;transform:rotate(35deg);background:var(--accent-strong);color:#fff;font-size:.78rem;font-weight:700;padding:3px 40px}
.manage{text-align:center;margin-top:20px}

/* Modals: drop in from the top with one spring rebound, exit by sliding off the bottom */
.overlay{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(255,255,255,.55);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.overlay:not(.hidden){animation:fade-in .3s ease both}
.overlay:not(.hidden) .modal{animation:drop-in .85s cubic-bezier(0.175,0.885,0.32,1.275) both}
.overlay.closing{animation:fade-out .45s ease both}
.overlay.closing .modal{animation:slide-out .45s cubic-bezier(.5,0,.9,.4) both}
@keyframes fade-in{from{opacity:0}to{opacity:1}}
@keyframes fade-out{from{opacity:1}to{opacity:0}}
@keyframes drop-in{from{transform:translateY(-120vh)}to{transform:translateY(0)}}
@keyframes slide-out{from{transform:translateY(0)}to{transform:translateY(120vh)}}
.modal{width:min(480px,100%);max-height:92vh;overflow:auto;display:grid;gap:12px;box-shadow:0 30px 80px rgba(0,0,0,.18)}
.field{display:grid;gap:6px;font-weight:600;font-size:.9rem}
.cta{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cta .btn{padding:16px;font-size:1.05rem}

/* Terms modal: static charcoal, identical in every theme */
#legal-modal .modal{background:#2b2d31;color:#f2f0ea;border-color:#3a3d42}
#legal-modal .scrollbox{max-height:min(340px,50vh);overflow:auto;padding:12px 16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);font-size:.92rem}
#legal-modal .scrollbox p{margin:0 0 .8em}
#legal-modal .check{display:flex;gap:10px;align-items:center;cursor:pointer;accent-color:#f2f0ea}
#legal-modal .btn{background:#f2f0ea;color:#2b2d31;border-color:#f2f0ea}
#legal-modal .btn:hover:not(:disabled){background:#fff;color:#2b2d31;transform:none}
#legal-modal *{scrollbar-color:#8a8d94 transparent}
#legal-modal ::-webkit-scrollbar-thumb{background:#8a8d94;border-color:#2b2d31}
#legal-modal :focus-visible{outline-color:#f2f0ea}

/* Liquid wipe: accent-coloured layer sweeps top to bottom while the theme swaps underneath */
#wipe{position:fixed;left:0;right:0;top:0;height:calc(100vh + 120px);z-index:90;pointer-events:none;transform:translateY(-100%);border-radius:0 0 50% 50% / 0 0 110px 110px}

@media (max-width:600px){
  .grid2,.cta{grid-template-columns:1fr}
  .controls{flex-direction:column;align-items:stretch}
  .depth{flex:0 0 auto}
  .depth-tray{width:100%}
  .depth-opts{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){*{transition:none !important;animation:none !important}}

/* Hero slogans */
.hero{text-align:center;padding:8px 0 4px}
.hero h1{font-size:clamp(1.5rem,4.2vw,2.3rem);line-height:1.2;margin:0 0 .4em;letter-spacing:-.025em}
.hero p{margin:0;color:var(--muted);font-size:clamp(.95rem,2.2vw,1.1rem)}

/* Depth tray: option row + About entry */
.depth-opts{display:flex;gap:6px}

/* Download Text File reuses .btn.primary.big (same tokens as Summarize); .block makes it a full-width standalone row */
.btn.block{display:block;width:100%;box-sizing:border-box}

/* About sidebar: same frosted backdrop and spring curve as the modals, entering from the left */
#legal-modal{z-index:60}
.overlay.side{z-index:55;justify-content:flex-start;align-items:stretch;padding:0}
.side-panel{width:min(460px,92vw);height:100%;margin-left:-56px;padding:84px 28px 28px 84px;overflow:auto;background:#fff;border-right:1px solid var(--border);box-shadow:20px 0 60px rgba(0,0,0,.12);display:grid;align-content:start;gap:22px}
.overlay:not(.hidden) .side-panel{animation:side-in .85s cubic-bezier(0.175,0.885,0.32,1.275) both}
.overlay.closing .side-panel{animation:side-out .45s cubic-bezier(.5,0,.9,.4) both}
@keyframes side-in{from{transform:translateX(-120%)}to{transform:translateX(0)}}
@keyframes side-out{from{transform:translateX(0)}to{transform:translateX(-120%)}}
.side-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.side-head h2{margin:0}
.pillar{padding-left:14px;border-left:3px solid var(--accent-strong)}
.pillar h3{margin:0 0 6px;font-size:1.05rem}
.pillar p{margin:0;color:var(--muted)}

/* Hamburger beside the logo: three lines morph into a cross while the About panel is open */
.brand-row{display:flex;align-items:center;gap:4px}
.brand-row .brand{margin-left:0}
.menu-btn{position:relative;z-index:0;width:44px;height:44px;padding:0;border:0;border-radius:var(--radius);background:transparent;cursor:pointer;transition:background .25s cubic-bezier(.4,0,.2,1),z-index 0s linear .46s}
.menu-btn:hover{background:var(--accent-soft)}
.menu-btn span{position:absolute;left:11px;width:22px;height:2px;border-radius:2px;background:var(--text);transition:transform .35s cubic-bezier(.4,0,.2,1),top .35s cubic-bezier(.4,0,.2,1),opacity .2s ease}
.menu-btn span:nth-child(1){top:14px}
.menu-btn span:nth-child(2){top:21px}
.menu-btn span:nth-child(3){top:28px}
.menu-btn[aria-expanded="true"]{z-index:56;transition:background .25s cubic-bezier(.4,0,.2,1),z-index 0s}  /* stays above the frosted layer so it can close the panel */
.menu-btn[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0;transform:scaleX(0)}
.menu-btn[aria-expanded="true"] span:nth-child(3){top:21px;transform:rotate(-45deg)}

@media (max-width:480px){
  .topbar{padding:8px 10px}
  .topbar-actions{gap:6px}
  .topbar-actions .btn{padding:8px 12px}
  #plan-badge{font-size:.75rem;padding:3px 8px}
  .brand{font-size:1.35rem}
}

/* Summarize: vibrant pink / green by theme. Download Text File keeps the theme's soft accent
   (#F8BBD0 pink / #C8E6C9 green) straight from .btn.primary, so it needs no override here. */
#summarize-btn{background:var(--vibrant);border-color:var(--vibrant)}
#summarize-btn:hover:not(:disabled){background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}