/* =========================================================================
   PlayTime Manager — design system
   Mobile-first. Every breakpoint is min-width, so phones get the cheapest
   layout and larger screens progressively add columns.
   ========================================================================= */

:root {
    /* Surfaces */
    --bg: #080b12;
    --bg-soft: #0c1119;
    --surface: #111823;
    --surface-2: #161f2c;
    --surface-3: #1c2736;
    --border: #22304260;
    --border-strong: #2c3d52;

    /* Text */
    --text: #e8eef7;
    --text-muted: #93a2b8;
    --text-dim: #64748b;

    /* Brand + semantics */
    --brand: #22c55e;
    --brand-soft: #22c55e1f;
    --brand-strong: #16a34a;
    --info: #38bdf8;
    --info-soft: #38bdf81f;
    --warn: #f59e0b;
    --warn-soft: #f59e0b1f;
    --danger: #f43f5e;
    --danger-soft: #f43f5e1f;
    --violet: #a78bfa;

    /* Shape */
    --r-sm: 10px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 26px;
    --r-full: 999px;

    /* Elevation */
    --shadow-sm: 0 1px 2px #0006;
    --shadow-md: 0 8px 24px -12px #000c;
    --shadow-lg: 0 24px 60px -24px #000e;

    /* Rhythm */
    --gap: 14px;
    --pad-page: 16px;
    --topbar-h: 60px;
    --tabbar-h: 62px;

    --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    --mono: "SF Mono", "JetBrains Mono", "Cascadia Mono", ui-monospace, "Roboto Mono", monospace;

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);

    color-scheme: dark;
}

/* ---------------------------------------------------------------- reset -- */

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100dvh;
    background:
        radial-gradient(1100px 620px at 82% -12%, #16324a55, transparent 62%),
        radial-gradient(900px 520px at 6% 0%, #1c3b2a4d, transparent 58%),
        var(--bg);
    background-attachment: fixed;
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overscroll-behavior-y: none;
}

h1, h2, h3, h4 {
    margin: 0;
    line-height: 1.2;
    font-weight: 650;
    letter-spacing: -0.015em;
}

p { margin: 0; }

a {
    color: inherit;
    text-decoration: none;
}

img, svg { display: block; max-width: 100%; }

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

::selection { background: var(--brand-soft); }

:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
    border-radius: 6px;
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.skip-link {
    position: absolute;
    top: -60px;
    left: 12px;
    z-index: 200;
    padding: 10px 16px;
    background: var(--brand);
    color: #04120a;
    border-radius: var(--r-sm);
    font-weight: 600;
    transition: top 0.2s var(--ease);
}
.skip-link:focus { top: calc(var(--safe-top) + 10px); }

/* --------------------------------------------------------------- topbar -- */

.topbar {
    position: sticky;
    top: 0;
    z-index: 60;
    display: flex;
    align-items: center;
    gap: 12px;
    height: calc(var(--topbar-h) + var(--safe-top));
    padding: var(--safe-top) var(--pad-page) 0;
    background: #0a0f18e0;
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid var(--border);
}

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

.brand-mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: none;
    border-radius: 11px;
    background: linear-gradient(140deg, var(--brand), #0ea5e9);
    color: #041206;
    font-size: 17px;
    font-weight: 800;
    box-shadow: 0 6px 18px -8px var(--brand);
}

.brand-text { min-width: 0; }

.brand-text strong {
    display: block;
    font-size: 14px;
    font-weight: 750;
    letter-spacing: 0.14em;
}

.brand-text small {
    display: block;
    font-size: 10.5px;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topbar-spacer { flex: 1; }

.topbar-nav {
    display: none;
    gap: 4px;
    padding: 4px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-full);
}

.topbar-nav a {
    padding: 7px 15px;
    border-radius: var(--r-full);
    font-size: 13.5px;
    font-weight: 550;
    color: var(--text-muted);
    transition: color 0.15s var(--ease), background 0.15s var(--ease);
}
.topbar-nav a:hover { color: var(--text); background: var(--surface-2); }
.topbar-nav a.active { color: #04120a; background: var(--brand); }

.clock {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 7px 13px;
    border-radius: var(--r-full);
    background: var(--surface);
    border: 1px solid var(--border);
    font-family: var(--mono);
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
}

/* Connection state pill: the single source of truth for "is this live?" */
.live-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 12px 6px 10px;
    border-radius: var(--r-full);
    background: var(--surface);
    border: 1px solid var(--border);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
}

.live-dot {
    width: 7px;
    height: 7px;
    flex: none;
    border-radius: 50%;
    background: var(--text-dim);
    transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.live-pill[data-state="live"] { color: var(--brand); border-color: #22c55e40; }
.live-pill[data-state="live"] .live-dot {
    background: var(--brand);
    box-shadow: 0 0 0 0 #22c55e80;
    animation: pulse-ring 2.2s infinite;
}
.live-pill[data-state="connecting"] { color: var(--warn); border-color: #f59e0b40; }
.live-pill[data-state="connecting"] .live-dot { background: var(--warn); animation: blink 1s infinite; }
.live-pill[data-state="offline"] { color: var(--danger); border-color: #f43f5e40; }
.live-pill[data-state="offline"] .live-dot { background: var(--danger); }
.live-pill .live-text { display: none; }

@keyframes pulse-ring {
    0%   { box-shadow: 0 0 0 0 #22c55e66; }
    70%  { box-shadow: 0 0 0 7px #22c55e00; }
    100% { box-shadow: 0 0 0 0 #22c55e00; }
}
@keyframes blink { 50% { opacity: 0.3; } }

.icon-button {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    flex: none;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text-muted);
    cursor: pointer;
    transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.icon-button:hover { background: var(--surface-2); color: var(--text); }

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

.page {
    max-width: 1500px;
    margin: 0 auto;
    padding: 18px var(--pad-page) calc(var(--tabbar-h) + var(--safe-bottom) + 26px);
}

.page-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.eyebrow {
    font-size: 11px;
    font-weight: 650;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 4px;
}

.page-head h1 {
    font-size: clamp(21px, 5vw, 30px);
}

.page-sub {
    color: var(--text-muted);
    font-size: 13.5px;
    margin-top: 4px;
}

section + section { margin-top: 20px; }

/* ------------------------------------------------------------ chip rail -- */

/* Horizontal scroller for category tabs; avoids wrapping on narrow phones. */
.chip-rail {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 4px;
    margin-inline: calc(var(--pad-page) * -1);
    padding-inline: var(--pad-page);
    scroll-snap-type: x proximity;
}
.chip-rail::-webkit-scrollbar { display: none; }

.chip {
    flex: none;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: var(--r-full);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 13.5px;
    font-weight: 550;
    white-space: nowrap;
    scroll-snap-align: start;
    transition: all 0.15s var(--ease);
    cursor: pointer;
}
.chip:hover { border-color: var(--border-strong); color: var(--text); }
.chip.active {
    background: linear-gradient(140deg, var(--brand), var(--brand-strong));
    border-color: transparent;
    color: #04120a;
    font-weight: 650;
    box-shadow: 0 8px 20px -12px var(--brand);
}
.chip .chip-count {
    padding: 1px 7px;
    border-radius: var(--r-full);
    background: #ffffff14;
    font-size: 11px;
    font-variant-numeric: tabular-nums;
}
.chip.active .chip-count { background: #04120a26; }

/* ---------------------------------------------------------------- stats -- */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap);
}

.stat {
    position: relative;
    padding: 14px 15px;
    border-radius: var(--r-lg);
    background: linear-gradient(160deg, var(--surface-2), var(--surface));
    border: 1px solid var(--border);
    overflow: hidden;
}

.stat::after {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: var(--accent, var(--brand));
    opacity: 0.85;
}

.stat[data-accent="info"]  { --accent: var(--info); }
.stat[data-accent="warn"]  { --accent: var(--warn); }
.stat[data-accent="danger"]{ --accent: var(--danger); }

.stat-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.stat-value {
    margin-top: 6px;
    font-size: clamp(19px, 5vw, 26px);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    line-height: 1.15;
    word-break: break-word;
}

.stat-value .unit {
    font-size: 0.5em;
    font-weight: 550;
    color: var(--text-dim);
    margin-left: 3px;
}

.stat-foot {
    margin-top: 3px;
    font-size: 11.5px;
    color: var(--text-dim);
}

/* ------------------------------------------------------------ unit card -- */

.unit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr));
    gap: var(--gap);
}

.unit-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    border-radius: var(--r-xl);
    background: linear-gradient(165deg, var(--surface-2), var(--surface) 60%);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.unit-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--tone, var(--text-dim));
    opacity: 0.9;
}

.unit-card.status-active {
    --tone: var(--brand);
    border-color: #22c55e33;
    background:
        radial-gradient(420px 180px at 100% 0%, #22c55e14, transparent 70%),
        linear-gradient(165deg, var(--surface-2), var(--surface) 60%);
}
.unit-card.status-available { --tone: #3f5670; }
.unit-card.status-payment_pending { --tone: var(--warn); border-color: #f59e0b33; }
.unit-card.status-cleaning { --tone: var(--info); }
.unit-card.status-disabled { --tone: var(--danger); opacity: 0.7; }

@media (hover: hover) {
    .unit-card:hover { transform: translateY(-2px); border-color: var(--border-strong); }
}

.card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.card-title {
    font-size: 16.5px;
    font-weight: 680;
    letter-spacing: -0.01em;
}

.card-meta {
    margin-top: 2px;
    font-size: 12px;
    color: var(--text-dim);
}

.pill {
    flex: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    border-radius: var(--r-full);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: #ffffff0d;
    color: var(--text-muted);
    border: 1px solid var(--border);
    white-space: nowrap;
}

.pill::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.status-active .pill { background: var(--brand-soft); color: var(--brand); border-color: #22c55e33; }
.status-payment_pending .pill { background: var(--warn-soft); color: var(--warn); border-color: #f59e0b33; }
.status-disabled .pill { background: var(--danger-soft); color: var(--danger); border-color: #f43f5e33; }

/* The timer is the thing operators read from across the room. */
.timer-block {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--r-md);
    background: #05080dbf;
    border: 1px solid var(--border);
}

.timer {
    font-family: var(--mono);
    font-size: clamp(28px, 8vw, 38px);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
    color: var(--text-dim);
    transition: color 0.25s var(--ease);
}

.status-active .timer { color: var(--brand); text-shadow: 0 0 26px #22c55e40; }

.timer-caption {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.card-rows {
    display: grid;
    gap: 7px;
    margin: 0;
}

.card-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
}

.card-row dt { color: var(--text-dim); }

.card-row dd {
    margin: 0;
    font-weight: 620;
    font-variant-numeric: tabular-nums;
    text-align: right;
    overflow-wrap: anywhere;
}

.card-row.amount dd { color: var(--brand); font-size: 15px; }
.status-available .card-row.amount dd { color: var(--text-dim); }

/* Extra/add-on services attached to the running session (drinks, snacks...). */
.extras-list {
    display: grid;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.extras-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 7px 10px;
    border-radius: var(--r-sm);
    background: #ffffff08;
    font-size: 12.5px;
    color: var(--text-muted);
}

.extras-list .extra-name { font-weight: 600; color: var(--text); }
.extras-list .extra-amount { font-variant-numeric: tabular-nums; white-space: nowrap; }

.extras-list [data-remove-extra] {
    flex: none;
    display: grid;
    place-items: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
}
.extras-list [data-remove-extra]:hover { background: var(--danger-soft); color: var(--danger); }

.extra-btn {
    width: 100%;
    min-height: 38px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--r-md);
    background: transparent;
    color: var(--text-dim);
    font-size: 12.5px;
    font-weight: 620;
    cursor: pointer;
    transition: all 0.15s var(--ease);
}
.extra-btn:hover:not(:disabled) { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }
.extra-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
    margin-top: auto;
    padding-top: 3px;
}

/* --------------------------------------------------------------- button -- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 44px; /* comfortable touch target */
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: var(--r-md);
    background: var(--surface-3);
    color: var(--text);
    font-size: 14px;
    font-weight: 620;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.1s var(--ease), filter 0.15s var(--ease), background 0.15s var(--ease);
    -webkit-tap-highlight-color: transparent;
}

.btn:active:not(:disabled) { transform: scale(0.975); }
.btn:disabled { opacity: 0.38; cursor: not-allowed; }

.btn-start {
    background: linear-gradient(140deg, var(--brand), var(--brand-strong));
    color: #04120a;
    box-shadow: 0 10px 24px -14px var(--brand);
}
.btn-start:hover:not(:disabled) { filter: brightness(1.08); }

.btn-stop {
    background: linear-gradient(140deg, #fb7185, var(--danger));
    color: #2b0410;
    box-shadow: 0 10px 24px -14px var(--danger);
}
.btn-stop:hover:not(:disabled) { filter: brightness(1.08); }

.btn-ghost {
    background: transparent;
    border-color: var(--border-strong);
    color: var(--text-muted);
}
.btn-ghost:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }

.btn-soft { background: var(--surface-2); border-color: var(--border); }
.btn-soft:hover:not(:disabled) { background: var(--surface-3); }

.btn-danger-soft {
    background: var(--danger-soft);
    color: #fda4af;
    border-color: #f43f5e33;
}

.btn-sm { min-height: 36px; padding: 0 12px; font-size: 13px; border-radius: var(--r-sm); }
.btn-block { width: 100%; }

.btn.is-busy {
    pointer-events: none;
    position: relative;
    color: transparent !important;
}
.btn.is-busy::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff55;
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------- panels -- */

.panel {
    padding: 16px;
    border-radius: var(--r-lg);
    background: var(--surface);
    border: 1px solid var(--border);
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.panel-head h2 {
    font-size: 15px;
    font-weight: 650;
    letter-spacing: -0.01em;
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.section-title h2 {
    font-size: 15.5px;
    font-weight: 650;
}

.count-badge {
    padding: 3px 9px;
    border-radius: var(--r-full);
    background: var(--surface-2);
    border: 1px solid var(--border);
    font-size: 11.5px;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

/* ----------------------------------------------------------------- form -- */

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.field > span,
.field > label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-dim);
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="month"],
input[type="tel"],
input[type="number"],
input:not([type]),
select,
textarea {
    width: 100%;
    min-height: 44px;
    padding: 10px 13px;
    border: 1px solid var(--border-strong);
    border-radius: var(--r-md);
    background: var(--bg-soft);
    color: var(--text);
    font-size: 15px; /* >=16px avoids iOS zoom; 15 + max-zoom meta is fine */
    transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
    appearance: none;
}

textarea { min-height: 84px; resize: vertical; }

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--brand-soft);
}

input::placeholder, textarea::placeholder { color: #4a5a70; }

select {
    background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%),
                      linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
    background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    padding-right: 34px;
    cursor: pointer;
}

select option { background: var(--surface-2); color: var(--text); }

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="month"]::-webkit-calendar-picker-indicator {
    filter: invert(0.7);
    cursor: pointer;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
    gap: 12px;
    align-items: end;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
}

/* ---------------------------------------------------------------- modal -- */

dialog.sheet {
    width: min(460px, 100%);
    max-height: 92dvh;
    padding: 0;
    border: none;
    color: var(--text);
    background: transparent;
    overflow: visible;
}

dialog.sheet::backdrop {
    background: #03060bd0;
    backdrop-filter: blur(6px);
}

.sheet-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 20px;
    padding-bottom: calc(20px + var(--safe-bottom));
    border: 1px solid var(--border-strong);
    border-radius: var(--r-xl);
    background: var(--surface);
    box-shadow: var(--shadow-lg);
    max-height: 92dvh;
    overflow-y: auto;
}

.sheet-grip {
    display: none;
    width: 40px;
    height: 4px;
    margin: -6px auto 2px;
    border-radius: var(--r-full);
    background: var(--border-strong);
}

.sheet-title { font-size: 18px; }

.sheet-note {
    padding: 10px 12px;
    border-radius: var(--r-md);
    background: var(--info-soft);
    border: 1px solid #38bdf826;
    color: #bae6fd;
    font-size: 12.5px;
    line-height: 1.45;
}

.sheet-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 2px;
}

/* Payment method picker: big tap targets instead of a <select>. */
.choice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.choice {
    position: relative;
    display: grid;
    place-items: center;
    gap: 4px;
    padding: 12px 6px;
    border: 1px solid var(--border-strong);
    border-radius: var(--r-md);
    background: var(--bg-soft);
    cursor: pointer;
    text-align: center;
    transition: all 0.15s var(--ease);
}

.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice .choice-icon { font-size: 19px; }
.choice .choice-label { font-size: 12.5px; font-weight: 600; }

.choice:has(input:checked) {
    border-color: var(--brand);
    background: var(--brand-soft);
    color: var(--brand);
}
.choice:has(input[value="DEBT"]:checked) {
    border-color: var(--warn);
    background: var(--warn-soft);
    color: var(--warn);
}

/* ---------------------------------------------------------------- table -- */

.table-card {
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--surface);
    overflow: hidden;
}

.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    white-space: nowrap;
}

thead th {
    position: sticky;
    top: 0;
    padding: 12px 14px;
    background: var(--surface-2);
    text-align: left;
    font-size: 11px;
    font-weight: 650;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border-strong);
}

tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #ffffff05; }
tbody td.strong { color: var(--text); font-weight: 600; }
tbody td.num { font-variant-numeric: tabular-nums; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: var(--r-full);
    font-size: 11px;
    font-weight: 650;
    letter-spacing: 0.03em;
}
.badge-debt { background: var(--warn-soft); color: var(--warn); }
.badge-paid { background: var(--brand-soft); color: var(--brand); }
.badge-muted { background: #ffffff0d; color: var(--text-dim); }

/* Mobile history: cards instead of a squeezed table. */
.record-list { display: grid; gap: 10px; }

.record {
    padding: 13px 14px;
    border-radius: var(--r-lg);
    background: var(--surface);
    border: 1px solid var(--border);
}

.record-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.record-title { font-size: 14.5px; font-weight: 650; }
.record-sub { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

.record-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px 12px;
    font-size: 12.5px;
}

.record-grid span { color: var(--text-dim); }
.record-grid b { font-weight: 620; font-variant-numeric: tabular-nums; }

.record-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

/* ---------------------------------------------------------- leaderboard -- */

.leader-list { display: grid; gap: 8px; }

.leader-row {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    border-radius: var(--r-md);
    background: var(--bg-soft);
    border: 1px solid var(--border);
}

.leader-rank {
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    flex: none;
    border-radius: 8px;
    background: var(--surface-3);
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
}

.leader-row:nth-child(1) .leader-rank { background: #f59e0b26; color: var(--warn); }
.leader-row:nth-child(2) .leader-rank { background: #94a3b826; color: #cbd5e1; }
.leader-row:nth-child(3) .leader-rank { background: #b4530926; color: #fdba74; }

.leader-body { flex: 1; min-width: 0; }
.leader-name {
    font-size: 13.5px;
    font-weight: 620;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.leader-meta { font-size: 11.5px; color: var(--text-dim); }
.leader-amount {
    font-size: 13px;
    font-weight: 680;
    color: var(--brand);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

/* ----------------------------------------------------------- empty/misc -- */

.empty {
    display: grid;
    place-items: center;
    gap: 8px;
    padding: 44px 20px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--r-lg);
    text-align: center;
    color: var(--text-dim);
}

.empty-icon { font-size: 30px; opacity: 0.65; }
.empty strong { color: var(--text-muted); font-weight: 620; }
.empty p { font-size: 13px; max-width: 320px; }

.alert {
    padding: 11px 14px;
    border-radius: var(--r-md);
    font-size: 13px;
    border: 1px solid transparent;
}
.alert-error { background: var(--danger-soft); border-color: #f43f5e33; color: #fda4af; }
.alert-info { background: var(--info-soft); border-color: #38bdf833; color: #bae6fd; }
.alert-success { background: var(--brand-soft); border-color: #22c55e33; color: #86efac; }

.code-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 13px 15px;
    border-radius: var(--r-md);
    background: var(--bg-soft);
    border: 1px dashed var(--border-strong);
    font-family: var(--mono);
    font-size: 17px;
    letter-spacing: 0.08em;
    overflow-wrap: anywhere;
}

.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.stack { display: grid; gap: 12px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 12px; }

/* --------------------------------------------------------------- tabbar -- */

.tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    padding-bottom: var(--safe-bottom);
    background: #0a0f18f2;
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-top: 1px solid var(--border);
}

.tab {
    display: grid;
    place-items: center;
    gap: 3px;
    height: var(--tabbar-h);
    color: var(--text-dim);
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: color 0.15s var(--ease);
    -webkit-tap-highlight-color: transparent;
}

.tab svg { width: 21px; height: 21px; stroke-width: 1.9; }
.tab.active { color: var(--brand); }
.tab:active { color: var(--text); }

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

.toast-host {
    position: fixed;
    left: 50%;
    bottom: calc(var(--tabbar-h) + var(--safe-bottom) + 14px);
    z-index: 120;
    display: grid;
    gap: 8px;
    width: min(420px, calc(100vw - 24px));
    transform: translateX(-50%);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    border-radius: var(--r-md);
    background: #131c28f5;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-lg);
    font-size: 13.5px;
    animation: toast-in 0.24s var(--ease);
}

.toast.leaving { animation: toast-out 0.2s var(--ease) forwards; }
.toast-icon { flex: none; font-size: 15px; }
.toast.error { border-color: #f43f5e4d; }
.toast.error .toast-icon { color: var(--danger); }
.toast.success .toast-icon { color: var(--brand); }

@keyframes toast-in {
    from { opacity: 0; transform: translateY(14px) scale(0.97); }
}
@keyframes toast-out {
    to { opacity: 0; transform: translateY(10px) scale(0.97); }
}

/* ---------------------------------------------------------------- login -- */

.auth-shell {
    display: grid;
    place-items: center;
    min-height: 100dvh;
    padding: 24px 18px calc(24px + var(--safe-bottom));
}

.auth-card {
    width: min(400px, 100%);
    display: grid;
    gap: 16px;
    padding: 28px 24px;
    border-radius: var(--r-xl);
    background: linear-gradient(165deg, var(--surface-2), var(--surface));
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-lg);
}

.auth-brand { display: grid; justify-items: center; gap: 10px; text-align: center; }
.auth-brand .brand-mark { width: 52px; height: 52px; border-radius: 16px; font-size: 24px; }
.auth-brand h1 { font-size: 22px; letter-spacing: 0.1em; }
.auth-brand p { font-size: 13px; color: var(--text-dim); }

/* ------------------------------------------------------------- miniapp -- */

/* Inside Telegram the client already draws a header, so ours is redundant. */
body.is-miniapp .topbar { display: none; }
body.is-miniapp .page { padding-top: calc(var(--safe-top) + 12px); }
body.is-miniapp .miniapp-bar { display: flex; }

.miniapp-bar {
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
}

/* ---------------------------------------------------------- breakpoints -- */

@media (min-width: 480px) {
    .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sheet-actions { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 700px) {
    :root { --pad-page: 22px; --gap: 16px; }
    .stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .live-pill .live-text { display: inline; }
    .clock { display: inline-flex; }
    .record-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 960px) {
    :root { --pad-page: 28px; --topbar-h: 66px; }
    .topbar-nav { display: flex; }
    .tabbar { display: none; }
    .page { padding-bottom: 42px; }
    .toast-host { bottom: 22px; }
    .dashboard-columns {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 20px;
        align-items: start;
    }
    .dashboard-columns > aside { position: sticky; top: calc(var(--topbar-h) + 18px); }
}

@media (min-width: 1280px) {
    .unit-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
}

/* Phone-sized viewports get a true bottom sheet. */
@media (max-width: 599px) {
    dialog.sheet {
        width: 100%;
        max-width: none;
        margin: auto auto 0;
        animation: sheet-up 0.26s var(--ease);
    }
    .sheet-body {
        border-radius: var(--r-xl) var(--r-xl) 0 0;
        border-bottom: none;
    }
    .sheet-grip { display: block; }
    @keyframes sheet-up { from { transform: translateY(100%); } }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media print {
    .topbar, .tabbar, .toast-host, .card-actions, .no-print { display: none !important; }
    body { background: #fff; color: #000; }
    .table-card, table, thead th, tbody td { background: #fff !important; color: #000 !important; }
}

/* Table vs. card list: exactly one of the two history layouts is ever shown. */
[data-mobile-only] { display: grid; }
[data-desktop-only] { display: none; }

@media (min-width: 900px) {
    [data-mobile-only] { display: none; }
    [data-desktop-only] { display: block; }
}

.field[hidden] { display: none; }