/* ============================================================
   Signet — base design system
   Enterprise e-signature: one confident accent, generous space,
   crisp hierarchy, subtle borders + elevation.
   ============================================================ */
:root{
  --accent:#2C5FF6;
  --accent-600:color-mix(in srgb, var(--accent) 86%, #10131C);
  --accent-700:color-mix(in srgb, var(--accent) 72%, #10131C);
  --accent-50:color-mix(in srgb, var(--accent) 9%, #FFFFFF);
  --accent-100:color-mix(in srgb, var(--accent) 17%, #FFFFFF);
  --ink:#17223B; --ink-2:#3D4A66; --ink-3:#66738F; --ink-4:#8E99B0;
  --paper:#FFFFFF; --bg:#F4F6F9; --canvas:#E9EDF2;
  --line:#E3E7EE; --line-2:#D3DAE4;
  --green:#0F8A5F; --green-bg:#E4F5EE; --green-600:#0B6E4B;
  --amber:#B97A0A; --amber-bg:#FCF3E1;
  --red:#D64545; --red-bg:#FCEBEB; --red-600:#B03030;
  --orange:#D08416; --orange-bg:#FDF2DF;
  --slate:#5A6B8C; --slate-bg:#EBEFF5;
  --navy:#101B33; --navy-2:#0B1426; --navy-line:rgba(255,255,255,.08);
  --violet:#7048D6;
  /* recipient tag colors (DocuSign-like rotation) */
  --rc-1:#2C5FF6; --rc-2:#D62E7A; --rc-3:#0E9384; --rc-4:#E06C0A; --rc-5:#7048D6; --rc-6:#2F9E44;
  --shadow-1:0 1px 2px rgba(16,24,40,.05);
  --shadow-2:0 1px 3px rgba(16,24,40,.07),0 1px 2px rgba(16,24,40,.05);
  --shadow-3:0 4px 12px -2px rgba(16,24,40,.10),0 2px 6px -2px rgba(16,24,40,.06);
  --shadow-4:0 12px 28px -6px rgba(16,24,40,.16),0 4px 10px -4px rgba(16,24,40,.08);
  --shadow-page:0 1px 2px rgba(23,34,59,.08),0 6px 20px -4px rgba(23,34,59,.14);
  --radius:10px; --radius-sm:8px; --radius-xs:6px;
  --focus:0 0 0 2px var(--paper),0 0 0 4px var(--accent);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-doc: Georgia, "Times New Roman", "Iowan Old Style", serif;
  --sig-blue:#1B3FA0;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font-family:var(--font);font-size:14px;line-height:1.5;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit;color:inherit}
svg{display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus{outline:none}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:4px}
::selection{background:#C9DBFE}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em;color:var(--ink)}
hr{border:0;border-top:1px solid var(--line);margin:16px 0}

/* ---------- primitives ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid transparent;border-radius:var(--radius-xs);padding:0 14px;height:34px;font-weight:560;font-size:13.5px;cursor:pointer;white-space:nowrap;user-select:none;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease,color .15s ease,transform .05s ease;background:var(--paper)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn.primary:hover{background:var(--accent-600)}
.btn.primary:disabled{background:#B9C8EC;box-shadow:none;cursor:not-allowed}
.btn.secondary{background:var(--paper);border-color:var(--line-2);color:var(--ink);box-shadow:var(--shadow-1)}
.btn.secondary:hover{border-color:#B9C6D8;background:#FAFBFD}
.btn.secondary:disabled{color:var(--ink-4);background:var(--bg);cursor:not-allowed;box-shadow:none}
.btn.ghost{background:transparent;color:var(--ink-2)}
.btn.ghost:hover{background:var(--slate-bg);color:var(--ink)}
.btn.danger{background:#fff;border-color:#F0C4C4;color:var(--red)}
.btn.danger:hover{background:var(--red-bg)}
.btn.danger-solid{background:var(--red);color:#fff}
.btn.danger-solid:hover{background:var(--red-600)}
.btn.sm{height:28px;padding:0 10px;font-size:12.5px;border-radius:6px;gap:5px}
.btn.lg{height:40px;padding:0 20px;font-size:14.5px;border-radius:8px}
.btn.icon{width:34px;padding:0}
.btn.icon.sm{width:28px}
.btn .spin{animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.link-btn{background:none;border:0;padding:0;color:var(--accent);cursor:pointer;font-weight:560;font-size:13px}
.link-btn:hover{text-decoration:underline}

.input,.select,.textarea{width:100%;height:36px;border:1px solid var(--line-2);border-radius:var(--radius-xs);padding:0 11px;background:#fff;transition:border-color .15s,box-shadow .15s;color:var(--ink)}
.textarea{height:auto;min-height:84px;padding:9px 11px;resize:vertical;line-height:1.5}
.input:hover,.select:hover,.textarea:hover{border-color:#BEC9DA}
.input:focus,.select:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-100);outline:none}
.input::placeholder,.textarea::placeholder{color:#9AA6BC}
.input:disabled,.select:disabled,.textarea:disabled{background:var(--bg);color:var(--ink-4);cursor:not-allowed}
.input.invalid,.textarea.invalid{border-color:var(--red);background:#FFFAFA}
.input.invalid:focus{box-shadow:0 0 0 3px #F6D7D7}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2366738F' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:30px;cursor:pointer}
.field-label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-2);margin-bottom:5px;letter-spacing:.01em}
.field-label .req{color:var(--red);margin-left:2px}
.field-hint{font-size:11.5px;color:var(--ink-4);margin-top:4px}
.field-err{font-size:11.5px;color:var(--red);margin-top:4px;display:flex;gap:4px;align-items:center}
.form-row{display:flex;gap:12px}
.form-row>*{flex:1;min-width:0}
.search-box{position:relative;display:flex;align-items:center}
.search-box svg{position:absolute;left:10px;color:var(--ink-4);pointer-events:none}
.search-box .input{padding-left:32px}
.search-box .clear{position:absolute;right:6px;border:0;background:transparent;cursor:pointer;color:var(--ink-3);width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:50%}
.search-box .clear:hover{background:var(--slate-bg);color:var(--ink)}

/* switches / checkbox / radio */
.switch{position:relative;display:inline-flex;align-items:center;cursor:pointer;flex:0 0 auto}
.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.switch .track{width:36px;height:20px;border-radius:20px;background:#C9D2E0;transition:background .18s ease;position:relative;flex:0 0 auto}
.switch .track::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:var(--shadow-1);transition:left .18s ease}
.switch input:checked+.track{background:var(--accent)}
.switch input:checked+.track::after{left:18px}
.switch input:focus-visible+.track{box-shadow:var(--focus)}
.check{display:inline-flex;align-items:center;gap:8px;cursor:pointer;position:relative}
.check input{position:absolute;opacity:0}
.check .box{width:16px;height:16px;border:1.5px solid #B7C1D2;border-radius:4px;background:#fff;display:inline-flex;align-items:center;justify-content:center;transition:all .12s ease;flex:0 0 auto}
.check .box svg{opacity:0;transform:scale(.6);transition:all .12s ease}
.check input:checked+.box{background:var(--accent);border-color:var(--accent)}
.check input:checked+.box svg{opacity:1;transform:scale(1)}
.check input:disabled+.box{background:var(--bg);border-color:var(--line)}
.check input:focus-visible+.box{box-shadow:var(--focus)}
.radio{display:inline-flex;align-items:center;gap:8px;cursor:pointer}
.radio input{position:absolute;opacity:0}
.radio .dot{width:16px;height:16px;border:1.5px solid #B7C1D2;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#fff;transition:border-color .12s}
.radio .dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);transform:scale(0);transition:transform .12s}
.radio input:checked+.dot{border-color:var(--accent)}
.radio input:checked+.dot::after{transform:scale(1)}
.radio input:focus-visible+.dot{box-shadow:var(--focus)}

/* pills, badges, avatars */
.pill{display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 9px;border-radius:999px;font-size:11.5px;font-weight:620;letter-spacing:.01em;white-space:nowrap}
.pill .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.9}
.pill.green{background:var(--green-bg);color:var(--green)}
.pill.amber{background:var(--amber-bg);color:var(--amber)}
.pill.blue{background:var(--accent-50);color:var(--accent-700)}
.pill.red{background:var(--red-bg);color:var(--red)}
.pill.slate{background:var(--slate-bg);color:var(--slate)}
.pill.orange{background:var(--orange-bg);color:var(--orange)}
.pill.violet{background:#F0EAFD;color:var(--violet)}
.pill.outline{background:#fff;border:1px solid var(--line-2);color:var(--ink-3)}
.avatar{width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:640;color:#fff;flex:0 0 auto;letter-spacing:.02em}
.avatar.sm{width:24px;height:24px;font-size:10px}
.avatar.lg{width:44px;height:44px;font-size:15px}
.rtag{display:inline-flex;align-items:center;gap:6px;border-radius:6px;padding:2px 8px 2px 4px;font-size:12px;font-weight:600;background:var(--slate-bg);color:var(--ink-2)}
.rtag .swatch{width:14px;height:14px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;color:#fff}

/* cards, surfaces */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1)}
.card.pad{padding:20px}
.card.hoverable{transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;cursor:pointer}
.card.hoverable:hover{box-shadow:var(--shadow-3);border-color:var(--line-2);transform:translateY(-1px)}
.section-title{font-size:13px;font-weight:680;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);margin:0 0 10px}

/* skeleton + empty states */
.skel{position:relative;overflow:hidden;background:#E8ECF2;border-radius:6px}
.skel::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);animation:shimmer 1.4s infinite}
@keyframes shimmer{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:56px 24px;gap:6px}
.empty .art{margin-bottom:10px;color:#C4CDDC}
.empty h3{font-size:16px}
.empty p{margin:0 0 6px;color:var(--ink-3);font-size:13.5px;max-width:380px}

/* tooltips */
.tip{position:absolute;z-index:3000;pointer-events:none;background:var(--ink);color:#fff;font-size:12px;padding:5px 9px;border-radius:6px;box-shadow:var(--shadow-3);max-width:260px;line-height:1.45;opacity:0;transition:opacity .12s ease}
.tip.show{opacity:1}
.tip::after{content:"";position:absolute;top:-4px;left:var(--tipx,50%);margin-left:-4px;border:4px solid transparent;border-bottom-color:var(--ink)}

/* dropdown menus */
.menu{position:fixed;z-index:2600;min-width:190px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-4);padding:5px;animation:menu-in .13s ease}
@keyframes menu-in{from{opacity:0;transform:translateY(-3px) scale(.98)}to{opacity:1;transform:none}}
.menu-item{display:flex;align-items:center;gap:9px;width:100%;padding:7px 10px;border:0;background:none;border-radius:6px;font-size:13.5px;cursor:pointer;text-align:left;color:var(--ink-2)}
.menu-item svg{color:var(--ink-4);flex:0 0 auto}
.menu-item:hover,.menu-item:focus-visible{background:var(--accent-50);color:var(--ink)}
.menu-item.danger{color:var(--red)}
.menu-item.danger svg{color:var(--red)}
.menu-item.danger:hover{background:var(--red-bg)}
.menu-item:disabled{opacity:.45;cursor:not-allowed;background:none}
.menu-sep{height:1px;background:var(--line);margin:5px 4px}
.menu-label{font-size:10.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-4);padding:7px 10px 3px}

/* tables / list rows */
.row-table{width:100%;border-collapse:collapse}
.row-table th{text-align:left;font-size:11.5px;font-weight:680;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-4);padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.row-table td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle;font-size:13.5px}
.row-table tr:last-child td{border-bottom:0}
.row-table tbody tr{transition:background .1s}
.row-table tbody tr:hover{background:#FAFBFD}
.row-table tbody tr.clickable{cursor:pointer}

/* scrollbars */
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-thumb{background:#C6CEDA;border-radius:8px;border:3.5px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:#AAB5C6;border:3px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-track{background:transparent}
.thin-scroll::-webkit-scrollbar{width:8px;height:8px}

/* toast layer */
.toast-layer{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:4000;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}
.toast{display:flex;align-items:center;gap:10px;background:var(--navy);color:#EAF0FA;padding:10px 16px;border-radius:10px;box-shadow:var(--shadow-4);font-size:13.5px;font-weight:520;animation:toast-in .25s cubic-bezier(.2,.9,.3,1.2);pointer-events:auto;max-width:min(90vw,480px)}
.toast.out{animation:toast-out .2s ease forwards}
.toast svg{flex:0 0 auto}
.toast.success svg{color:#5BD6A2}.toast.error svg{color:#FF9B9B}.toast.info svg{color:#9DBAFF}
@keyframes toast-in{from{opacity:0;transform:translateY(12px) scale(.95)}to{opacity:1;transform:none}}
@keyframes toast-out{to{opacity:0;transform:translateY(8px) scale(.97)}}

/* modal layer */
.modal-layer{position:fixed;inset:0;z-index:3000;display:none}
.modal-layer.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(15,22,38,.5);backdrop-filter:blur(2px);animation:fade-in .16s ease}
@keyframes fade-in{from{opacity:0}}
.modal{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;border-radius:14px;box-shadow:var(--shadow-4);width:min(560px,calc(100vw - 32px));max-height:calc(100vh - 48px);display:flex;flex-direction:column;animation:modal-in .2s cubic-bezier(.2,.9,.3,1.1)}
.modal.wide{width:min(860px,calc(100vw - 32px))}
.modal.narrow{width:min(440px,calc(100vw - 32px))}
@keyframes modal-in{from{opacity:0;transform:translate(-50%,-47%) scale(.97)}to{opacity:1;transform:translate(-50%,-50%)}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:18px 22px 0}
.modal-head h2{font-size:17px}
.modal-head .sub{color:var(--ink-3);font-size:13px;margin-top:3px}
.modal-x{border:0;background:transparent;width:30px;height:30px;border-radius:7px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink-3);flex:0 0 auto}
.modal-x:hover{background:var(--slate-bg);color:var(--ink)}
.modal-body{padding:16px 22px;overflow-y:auto;flex:1}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 22px;border-top:1px solid var(--line);flex:0 0 auto;align-items:center}

/* helpers */
.flex{display:flex;align-items:center;gap:10px}
.grow{flex:1;min-width:0}
.muted{color:var(--ink-3)}
.small{font-size:12.5px}
.tiny{font-size:11.5px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hidden{display:none !important}
.nowrap{white-space:nowrap}
.cursor-grab{cursor:grab}
.cursor-grabbing{cursor:grabbing}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}