:root {
    --ground: #eef1ec;
    --surface: #f8faf6;
    --ink: #2a2420;
    --ink-soft: #5b544d;
    --ash: #8a877f;
    --line: #d5dad2;
    --amber: #d9902b;
    --amber-text: #9a5f0d;
    --celadon: #5e9479;
    --celadon-soft: #a9c9b7;
    --oxblood: #8e2f2a;
    --focus: #3b6fd8;
    --display: 'Bricolage Grotesque', 'Avenir Next', 'Segoe UI', system-ui, sans-serif;
    --text: 'Atkinson Hyperlegible Next', 'Atkinson Hyperlegible', 'Avenir Next', 'Segoe UI', system-ui, sans-serif;
    color-scheme: light;
    box-sizing: border-box;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: dark) {
    :root {
        --ground: #1b1916;
        --surface: #24211d;
        --ink: #ece7df;
        --ink-soft: #b9b2a8;
        --ash: #8f8a80;
        --line: #3a3530;
        --amber: #f0ae4c;
        --amber-text: #f0ae4c;
        --celadon: #86b39c;
        --celadon-soft: #4c6d5d;
        --oxblood: #d2645a;
        --focus: #8fb2ff;
        color-scheme: dark;
    }
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

html {
    background: var(--ground);
}

body {
    margin: 0;
    background: var(--ground);
    color: var(--ink);
    font: 400 15px/1.5 var(--text);
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ---------- header ---------- */

.top {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 14px clamp(16px, 4vw, 40px);
    background: var(--ground);
    border-bottom: 1px solid var(--line);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font: 700 18px/1 var(--display);
    letter-spacing: -0.01em;
}

.brand svg {
    width: 22px;
    height: 22px;
    fill: var(--amber);
}

.engine {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-right: auto;
    color: var(--ink-soft);
    font-size: 14px;
}

.dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--ash);
    flex: none;
}

.dot.ok {
    background: var(--celadon);
}
.dot.warn {
    background: var(--amber);
}
.dot.bad {
    background: var(--oxblood);
}

.tabs {
    display: flex;
    gap: 4px;
}

.tabs a {
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--ink-soft);
    font-weight: 600;
}

.tabs a[aria-current='page'] {
    color: var(--ink);
    background: var(--surface);
    box-shadow: inset 0 0 0 1px var(--line);
}

main {
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px clamp(16px, 4vw, 40px) 120px;
}

main:focus {
    outline: none;
}

h2 {
    margin: 0 0 14px;
    font: 700 19px/1.2 var(--display);
    letter-spacing: -0.01em;
}

/* ---------- buttons & inputs ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--ink);
    font: 600 14px/1 var(--text);
    cursor: pointer;
    white-space: nowrap;
}

.btn:hover {
    border-color: var(--ash);
}

.btn.primary {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--ground);
}

.btn.danger {
    color: var(--oxblood);
}

.btn.small {
    min-height: 30px;
    padding: 0 10px;
    font-size: 13px;
}

.btn[disabled] {
    opacity: 0.55;
    cursor: progress;
}

input,
select,
textarea {
    width: 100%;
    min-height: 38px;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--ink);
    font: 400 15px/1.3 var(--text);
}

textarea {
    min-height: 140px;
    resize: vertical;
}

input[type='checkbox'] {
    width: 20px;
    min-height: 20px;
    accent-color: var(--celadon);
}

label.field {
    display: grid;
    gap: 6px;
    font-weight: 600;
    font-size: 14px;
}

.hint {
    color: var(--ink-soft);
    font-size: 13px;
    font-weight: 400;
}

/* ---------- hero ---------- */

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px 48px;
    align-items: end;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
}

.bignum {
    display: flex;
    align-items: baseline;
    gap: 14px;
    flex-wrap: wrap;
}

.bignum strong {
    font: 800 clamp(64px, 11vw, 112px) / 0.9 var(--display);
    font-variation-settings: 'opsz' 96;
    letter-spacing: -0.04em;
}

.bignum strong.empty {
    color: var(--ash);
}

.bignum span {
    color: var(--ink-soft);
    max-width: 16ch;
}

.tiles {
    display: grid;
    grid-template-columns: repeat(14, minmax(14px, 26px));
    gap: 5px;
    margin-top: 18px;
}

.tile {
    aspect-ratio: 1;
    border-radius: 4px;
    background: transparent;
    box-shadow: inset 0 0 0 1px var(--line);
}

.tile.g1 {
    background: var(--celadon);
    box-shadow: none;
}
.tile.g2 {
    background: var(--celadon-soft);
    box-shadow: none;
}
.tile.g3 {
    background: var(--amber);
    box-shadow: none;
}
.tile.g4 {
    background: var(--oxblood);
    box-shadow: none;
}

.tile-axis {
    display: flex;
    justify-content: space-between;
    max-width: calc(14 * 26px + 13 * 5px);
    margin-top: 6px;
    color: var(--ash);
    font-size: 12px;
}

.figures {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 8px 32px;
}

.figure b {
    display: block;
    font: 700 34px/1 var(--display);
    letter-spacing: -0.02em;
}

.figure span {
    color: var(--ink-soft);
    font-size: 13px;
}

.figure.bad b {
    color: var(--oxblood);
}

/* ---------- warm rows ---------- */

.block {
    padding: 28px 0;
    border-bottom: 1px solid var(--line);
}

.block:last-child {
    border-bottom: 0;
}

.warm-row {
    display: grid;
    grid-template-columns: minmax(180px, 1.1fr) minmax(0, 2fr) repeat(3, minmax(64px, auto)) auto;
    gap: 10px 24px;
    align-items: center;
    padding: 14px 0;
}

.warm-row + .warm-row {
    border-top: 1px dashed var(--line);
}

.who {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.who b {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.who small {
    display: block;
    color: var(--ink-soft);
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cones {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    align-items: flex-end;
}

.cone {
    width: 11px;
    height: 17px;
}

.cone path {
    fill: none;
    stroke: var(--line);
    stroke-width: 1.2;
}

.cone.fired path {
    fill: var(--amber);
    stroke: none;
}

.cone.firing path {
    fill: var(--amber);
    stroke: none;
    filter: drop-shadow(0 0 3px var(--amber));
    animation: glow 2.4s ease-in-out infinite;
}

.cone.ready path {
    fill: var(--celadon);
    stroke: none;
}

@keyframes glow {
    50% {
        filter: drop-shadow(0 0 0 var(--amber));
        opacity: 0.75;
    }
}

.stat {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.stat b {
    font: 700 20px/1 var(--display);
}

.stat span {
    display: block;
    color: var(--ink-soft);
    font-size: 12px;
    margin-top: 3px;
}

.ready-mark {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--celadon);
    color: var(--ground);
    font-weight: 700;
    font-size: 12px;
}

.err {
    grid-column: 1 / -1;
    color: var(--oxblood);
    font-size: 13px;
}

/* ---------- lower grid ---------- */

.split {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 40px;
}

.helpers {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.helper {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--surface);
    box-shadow: inset 0 0 0 1px var(--line);
    font-size: 14px;
    max-width: 100%;
}

.helper span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bars {
    display: grid;
    gap: 12px;
    margin-top: 6px;
}

.bar-row {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr) 48px;
    gap: 12px;
    align-items: center;
}

.bar {
    display: flex;
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--line);
}

.bar i {
    display: block;
    height: 100%;
}

.bar .in {
    background: var(--celadon);
}
.bar .ot {
    background: var(--amber);
}
.bar .sp {
    background: var(--oxblood);
}
.bar .mi {
    background: repeating-linear-gradient(45deg, var(--ash) 0 3px, transparent 3px 6px);
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 12px;
    color: var(--ink-soft);
    font-size: 13px;
}

.legend i {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 3px;
    margin-right: 6px;
    vertical-align: -1px;
}

.feed {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 2px;
    max-height: 520px;
    overflow: auto;
}

.feed li {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr) auto;
    gap: 10px;
    align-items: baseline;
    padding: 6px 0;
    font-size: 14px;
}

.feed .ic {
    font-weight: 700;
    text-align: center;
}

.feed .tx {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.feed time {
    color: var(--ash);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.ic.sent {
    color: var(--ink-soft);
}
.ic.reply {
    color: var(--celadon);
}
.ic.rescued,
.ic.other {
    color: var(--amber-text);
}
.ic.spam,
.ic.missing,
.ic.error {
    color: var(--oxblood);
}

/* ---------- empty state ---------- */

.empty-state {
    display: grid;
    gap: 18px;
    justify-items: start;
    padding: 64px 0;
}

.empty-state p {
    margin: 0;
    max-width: 44ch;
    font: 600 26px/1.25 var(--display);
}

/* ---------- inboxes page ---------- */

.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 8px;
}

.ib-row {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.8fr) auto;
    gap: 10px 20px;
    align-items: center;
    padding: 14px 0;
    border-top: 1px solid var(--line);
}

.ib-row.paused {
    opacity: 0.6;
}

.checks {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.check {
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: inset 0 0 0 1px var(--line);
    color: var(--ash);
}

.check.yes {
    color: var(--celadon);
    box-shadow: inset 0 0 0 1px var(--celadon);
}

.check.no {
    color: var(--oxblood);
    box-shadow: inset 0 0 0 1px var(--oxblood);
}

.actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* ---------- dialog ---------- */

dialog {
    width: min(560px, calc(100vw - 24px));
    max-height: calc(100vh - 32px);
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 24px 60px rgba(30, 24, 18, 0.28);
}

dialog::backdrop {
    background: rgba(27, 25, 22, 0.45);
}

.dlg {
    display: grid;
    gap: 16px;
    padding: 22px;
}

.dlg h3 {
    margin: 0;
    font: 700 22px/1.2 var(--display);
}

.seg {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.seg button {
    min-height: 34px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: transparent;
    color: var(--ink);
    font: 600 13px/1 var(--text);
    cursor: pointer;
}

.seg button[aria-pressed='true'] {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--ground);
}

.two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.conn {
    display: grid;
    grid-template-columns: minmax(0, 2fr) 90px 120px;
    gap: 8px;
}

details > summary {
    cursor: pointer;
    color: var(--ink-soft);
    font-weight: 600;
}

details[open] > summary {
    margin-bottom: 12px;
}

.dlg-foot {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.result {
    padding: 12px 14px;
    border-radius: 10px;
    background: var(--ground);
    font-size: 14px;
}

.result.bad {
    color: var(--oxblood);
}

.code {
    font: 800 34px/1 var(--display);
    letter-spacing: 0.08em;
    text-align: center;
    padding: 12px;
    border-radius: 10px;
    background: var(--ground);
    user-select: all;
}

/* ---------- settings ---------- */

.settings {
    display: grid;
    gap: 0;
}

.set-group {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 16px 40px;
    padding: 24px 0;
    border-top: 1px solid var(--line);
}

.set-group h2 {
    margin: 6px 0 0;
}

.set-rows {
    display: grid;
    gap: 14px;
}

.set-row {
    display: grid;
    grid-template-columns: minmax(150px, 220px) minmax(0, 260px) auto;
    gap: 12px;
    align-items: center;
}

.set-row > label {
    font-weight: 600;
    font-size: 14px;
}

.set-row .unit {
    color: var(--ink-soft);
    font-size: 13px;
}

.pair {
    display: flex;
    align-items: center;
    gap: 8px;
}

.days {
    display: flex;
    gap: 4px;
}

.days button {
    width: 36px;
    height: 36px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: transparent;
    color: var(--ink);
    font: 700 13px/1 var(--text);
    cursor: pointer;
}

.days button[aria-pressed='true'] {
    background: var(--celadon);
    border-color: var(--celadon);
    color: var(--ground);
}

.savebar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
    background: var(--ground);
    border-top: 1px solid var(--line);
}

.preview {
    white-space: pre-wrap;
    font-size: 14px;
    padding: 14px;
    border-radius: 10px;
    background: var(--ground);
    box-shadow: inset 0 0 0 1px var(--line);
}

/* ---------- toast ---------- */

#toast {
    position: fixed;
    left: 50%;
    bottom: 76px;
    transform: translateX(-50%);
    z-index: 20;
    display: grid;
    gap: 6px;
    pointer-events: none;
}

.toast {
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--ink);
    color: var(--ground);
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 10px 30px rgba(30, 24, 18, 0.25);
}

.toast.bad {
    background: var(--oxblood);
    color: #fff;
}

/* ---------- small screens ---------- */

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
    }
    .figures {
        grid-template-columns: repeat(2, auto);
        justify-content: start;
    }
    .split {
        grid-template-columns: 1fr;
    }
    .warm-row {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .warm-row .who {
        grid-column: 1 / -1;
    }
    .warm-row .cones {
        grid-column: 1 / -1;
        order: 5;
    }
    .warm-row .row-actions {
        grid-column: 1 / -1;
        order: 6;
        justify-self: start;
    }
    .warm-row .err {
        order: 7;
    }
    .set-group {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .ib-row {
        grid-template-columns: minmax(0, 1fr) auto;
    }
    .ib-row .actions {
        grid-column: 1 / -1;
        justify-content: flex-start;
    }
}

@media (max-width: 560px) {
    .top {
        flex-wrap: wrap;
        gap: 10px 16px;
    }
    .engine {
        order: 3;
        width: 100%;
    }
    .set-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    .two,
    .conn {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .cone.firing path {
        animation: none;
    }
}

/* ---------- small additions ---------- */

h2.spaced {
    margin-top: 32px;
}

h2 .hint {
    margin-left: 6px;
    font: 400 14px/1 var(--text);
}

.bad-text {
    color: var(--oxblood) !important;
}

.who small + small {
    margin-top: 2px;
}

.field > span {
    font-weight: 600;
    font-size: 14px;
}

.field .hint {
    justify-self: start;
}

.dlg details .set-rows {
    gap: 12px;
}

.result a {
    font-weight: 700;
}

.row-actions {
    justify-self: end;
}

.page-head h2 {
    margin: 0;
    font-size: 26px;
}