*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.45 var(--ui);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow:hidden}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
a{color:var(--blue)}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px}
::selection{background:var(--blue-soft)}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
svg.i{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
svg.i.sm{width:15px;height:15px}
svg.i.lg{width:22px;height:22px}
svg.i.fill{fill:currentColor}
.muted{color:var(--ink-3)}
.ink2{color:var(--ink-2)}
.nowrap{white-space:nowrap}
.ellip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.grow{flex:1;min-width:0}
.row{display:flex;align-items:center;gap:8px}
.col{display:flex;flex-direction:column;gap:8px}
.gap-4{gap:4px}.gap-12{gap:12px}.gap-16{gap:16px}
.right{margin-left:auto}
.tabular{font-variant-numeric:tabular-nums}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:36px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--surface);font-weight:550;white-space:nowrap;transition:background .12s,border-color .12s}
.btn:hover{background:var(--hover)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn.primary{background:var(--blue);border-color:var(--blue);color:var(--blue-ink)}
.btn.primary:hover{filter:brightness(1.08);background:var(--blue)}
.btn.danger{color:var(--red);border-color:color-mix(in srgb,var(--red) 40%,var(--line))}
.btn.danger:hover{background:var(--red-soft)}
.btn.solid-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn.ghost{border-color:transparent;background:transparent}
.btn.ghost:hover{background:var(--hover)}
.btn.sm{height:30px;padding:0 10px;font-size:13.5px}
.btn.lg{height:44px;padding:0 20px;font-size:16px}
.icon-btn{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:var(--radius-sm);color:var(--ink-2);flex:none;position:relative}
.icon-btn:hover{background:var(--hover);color:var(--ink)}
.icon-btn[aria-pressed="true"],.icon-btn.on{color:var(--blue)}
.icon-btn.star.on{color:#e0a100}
.icon-btn.star.on svg{fill:currentColor}
.icon-btn[disabled]{opacity:.4;pointer-events:none}

/* form controls */
.field{display:flex;flex-direction:column;gap:6px}
.field>label,.field>.label{font-size:13.5px;font-weight:550;color:var(--ink-2)}
.hint{font-size:13px;color:var(--ink-3)}
.input,.select,.textarea{width:100%;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);transition:border-color .12s,box-shadow .12s}
.textarea{height:auto;padding:10px 12px;resize:vertical;min-height:90px;line-height:1.5}
.input:hover,.select:hover,.textarea:hover{border-color:var(--ink-3)}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 22%,transparent)}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23778399' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.check{display:inline-flex;align-items:center;gap:8px;cursor:pointer}
.check input{appearance:none;width:18px;height:18px;border:1.5px solid var(--ink-3);border-radius:4px;display:grid;place-items:center;background:var(--surface);flex:none;margin:0;cursor:pointer}
.check input:checked{background:var(--blue);border-color:var(--blue)}
.check input:checked::after{content:"";width:9px;height:5px;border:2px solid var(--blue-ink);border-top:0;border-right:0;transform:translateY(-1px) rotate(-45deg)}
.check input:indeterminate{background:var(--blue);border-color:var(--blue)}
.check input:indeterminate::after{content:"";width:9px;height:2px;background:var(--blue-ink)}
.switch{position:relative;width:40px;height:24px;flex:none}
.switch input{appearance:none;position:absolute;inset:0;margin:0;border-radius:99px;background:var(--wall-2);cursor:pointer;transition:background .15s}
.switch input::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.3);transition:transform .15s}
.switch input:checked{background:var(--blue)}
.switch input:checked::after{transform:translateX(16px)}

/* chips and pills */
.pill{display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 8px;border-radius:99px;font-size:12.5px;font-weight:550;background:var(--hover);color:var(--ink-2);white-space:nowrap}
.pill.ok{background:var(--green-soft);color:var(--green)}
.pill.warn{background:var(--amber-soft);color:var(--amber)}
.pill.bad{background:var(--red-soft);color:var(--red)}
.pill.blue{background:var(--blue-soft);color:var(--blue)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--c,var(--ink-3));flex:none;display:inline-block}
.badge{min-width:20px;height:20px;padding:0 6px;border-radius:99px;background:var(--blue);color:var(--blue-ink);font-size:12px;font-weight:650;display:inline-grid;place-items:center;font-variant-numeric:tabular-nums}
.badge.quiet{background:transparent;color:var(--ink-3);font-weight:550}
kbd{font:600 12px var(--ui);padding:2px 6px;border-radius:5px;background:var(--hover);border:1px solid var(--line);color:var(--ink-2)}

/* scrollbars */
*{scrollbar-width:thin;scrollbar-color:var(--line) transparent}
::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--line);border-radius:10px;border:2px solid transparent;background-clip:content-box}

/* postage stamp avatar: the mailbox that received/sends the mail */
.stamp{position:relative;display:inline-grid;place-items:center;width:var(--s,34px);height:calc(var(--s,34px)*1.18);flex:none;color:var(--c,var(--ink-3))}
.stamp>svg{position:absolute;inset:0;width:100%;height:100%}
.stamp>b{position:relative;font:700 calc(var(--s,34px)*.46)/1 var(--ui);color:#fff;text-transform:lowercase;mix-blend-mode:normal;letter-spacing:-.02em;margin-top:1px}
.stamp.off{filter:grayscale(1);opacity:.55}

/* toasts */
.toasts{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;align-items:center;z-index:200;pointer-events:none}
.toast{pointer-events:auto;display:flex;align-items:center;gap:14px;min-height:44px;padding:8px 8px 8px 16px;border-radius:10px;background:var(--ink);color:var(--paper);box-shadow:var(--shadow-lg);font-weight:500;max-width:min(560px,92vw);animation:toast-in .18s ease-out}
.toast.err{background:var(--red);color:#fff}
.toast button{height:30px;padding:0 10px;border-radius:6px;font-weight:650;color:inherit;opacity:.95}
.toast button:hover{background:rgba(255,255,255,.14)}
.toast .bar{position:absolute;left:0;bottom:0;height:3px;background:currentColor;opacity:.3;border-radius:0 0 10px 10px;animation:bar linear forwards}
.toast{position:relative;overflow:hidden}
@keyframes toast-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes bar{from{width:100%}to{width:0}}

/* modal + menus */
.scrim{position:fixed;inset:0;background:rgba(10,15,28,.46);backdrop-filter:blur(2px);z-index:100;display:grid;place-items:center;padding:16px;animation:fade .14s}
@keyframes fade{from{opacity:0}}
.modal{background:var(--surface);border-radius:14px;box-shadow:var(--shadow-lg);width:min(520px,100%);max-height:calc(100dvh - 32px);display:flex;flex-direction:column;overflow:hidden;animation:pop .16s ease-out}
.modal.wide{width:min(760px,100%)}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}}
.modal>header{padding:18px 20px 6px;display:flex;align-items:flex-start;gap:12px}
.modal>header h3{font-size:19px;flex:1}
.modal>.body{padding:10px 20px 16px;overflow:auto;display:flex;flex-direction:column;gap:14px}
.modal>footer{padding:12px 20px 16px;display:flex;gap:8px;justify-content:flex-end;border-top:1px solid var(--line-2)}
.menu{position:fixed;z-index:150;min-width:200px;max-width:320px;max-height:70dvh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-lg);padding:6px;animation:pop .1s ease-out}
.menu button,.menu a{display:flex;align-items:center;gap:10px;width:100%;min-height:34px;padding:6px 10px;border-radius:6px;text-align:left;color:var(--ink);text-decoration:none}
.menu button:hover,.menu a:hover,.menu button:focus-visible{background:var(--hover)}
.menu .sep{height:1px;background:var(--line-2);margin:6px 4px}
.menu .hd{padding:6px 10px 2px;font-size:12.5px;color:var(--ink-3);font-weight:550}
.menu button.danger{color:var(--red)}
.menu .check-mark{margin-left:auto;color:var(--blue)}

.empty{display:grid;place-items:center;text-align:center;padding:48px 24px;color:var(--ink-2);gap:10px;height:100%}
.empty h3{font-size:18px;color:var(--ink)}
.empty p{max-width:34ch}
.spinner{width:20px;height:20px;border-radius:50%;border:2.5px solid var(--line);border-top-color:var(--blue);animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,var(--line-2),var(--hover),var(--line-2));background-size:200% 100%;animation:shine 1.2s linear infinite;border-radius:6px}
@keyframes shine{to{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* native dropdown lists ignore the page background: give them theme colours so text stays readable in dark mode */
select option,select optgroup{background:var(--surface);color:var(--ink)}
select optgroup{font-weight:650}