:root {
    --ink: #101a17;
    --surface: #17221e;
    --surface-2: #1e2b26;
    --brass: #c9a227;
    --brass-dim: #8a721f;
    --text: #e8e4d4;
    --text-dim: #9cada3;
    --text-dim2: #93a39a;
    --rule: #34443d;
    --debit: #c1666b;
    --credit: #7fb69e;
    --habit: #7fb69e;
    --habit-off: #3a4a44;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--ink);
    color: var(--text);
    font-family: 'IBM Plex Sans', sans-serif;
    min-height: 100vh;
    padding: 2.5rem 1.5rem 4rem;
}

.wrap {
    max-width: 960px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 2px solid var(--brass);
    padding-bottom: 1rem;
    margin-bottom: 2.5rem;
}

h1 {
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: 2.1rem;
    margin: 0;
    letter-spacing: 0.01em;
}

.date-badge {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-dim2);
    letter-spacing: 0.03em;
}

.cols {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 2.5rem;
}

@media (max-width:800px) {
    .cols {
        grid-template-columns: 1fr;
    }
}

section {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 2px;
    padding: 1.5rem 1.5rem 1.75rem;
}

h2 {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 1.1rem;
    margin: 0 0 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

h2 .tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brass);
    border: 1px solid var(--brass-dim);
    padding: 2px 6px;
    border-radius: 2px;
}

form.entry {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

form.entry.habit-form {
    grid-template-columns: 1fr auto;
}

input,
select {
    background: var(--surface-2);
    border: 1px solid var(--rule);
    color: var(--text);
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 0.85rem;
    padding: 0.5rem 0.6rem;
    border-radius: 2px;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--brass);
}

input[type=number] {
    width: 100px;
    font-family: 'IBM Plex Mono', monospace;
}

button {
    background: transparent;
    border: 1px solid var(--brass-dim);
    color: var(--brass);
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 0.8rem;
    padding: 0.5rem 0.9rem;
    border-radius: 2px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

button:hover {
    background: var(--brass);
    color: var(--ink);
}

.kind-toggle {
    display: flex;
    gap: 0.3rem;
}

.kind-toggle button.kind-btn {
    flex: 1;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
}

.kind-btn.active.debit {
    background: var(--debit);
    border-color: var(--debit);
    color: var(--ink);
}

.kind-btn.active.credit {
    background: var(--credit);
    border-color: var(--credit);
    color: var(--ink);
}

.ledger-rows {
    display: flex;
    flex-direction: column;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.83rem;
    max-height: 340px;
    overflow-y: auto;
}

.ledger-row {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--rule);
}

.ledger-row-top {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.ledger-row-desc {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.ledger-row-desc .desc-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ledger-row .amt {
    text-align: right;
    flex-shrink: 0;
    min-width: 56px;
}

.ledger-row .amt.debit {
    color: var(--debit);
}

.ledger-row .amt.credit {
    color: var(--credit);
}

.ledger-row .rm {
    color: var(--text-dim2);
    cursor: pointer;
    text-align: center;
    font-size: 0.9rem;
    flex-shrink: 0;
    padding: 6px 6px;
    margin: -6px -4px -6px 0;
    line-height: 1;
}

.ledger-row .rm:hover {
    color: var(--debit);
}

.ledger-row-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 2px;
}

.ledger-row-meta .d {
    color: var(--text-dim2);
    font-size: 0.75rem;
}

.cat-tag {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 0.68rem;
    color: var(--brass);
    border: 1px solid var(--brass-dim);
    border-radius: 2px;
    padding: 1px 5px;
    white-space: nowrap;
    flex-shrink: 0;
}

.monthly-summary {
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--rule);
}

.monthly-summary-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.9rem;
}

.monthly-summary-head h3 {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 0.95rem;
    margin: 0;
}

.ms-totals {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.ms-stat {
    background: var(--surface-2);
    border-radius: 2px;
    padding: 0.6rem 0.75rem;
}

.ms-stat .ms-label {
    font-size: 0.68rem;
    color: var(--text-dim2);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: block;
    margin-bottom: 2px;
}

.ms-stat .ms-value {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.95rem;
    font-weight: 500;
}

.ms-stat .ms-value.debit {
    color: var(--debit);
}

.ms-stat .ms-value.credit {
    color: var(--credit);
}

.cat-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cat-bar-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.cat-bar-label {
    font-size: 0.75rem;
    color: var(--text-dim);
    width: 88px;
    flex-shrink: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cat-bar-track {
    flex: 1;
    height: 6px;
    background: var(--surface-2);
    border-radius: 3px;
    overflow: hidden;
}

.cat-bar-fill {
    height: 100%;
    background: var(--brass);
    border-radius: 3px;
}

.cat-bar-amt {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-dim2);
    width: 70px;
    text-align: right;
    flex-shrink: 0;
}

.balance-block {
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 3px double var(--brass);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-family: 'IBM Plex Mono', monospace;
}

.balance-block .label {
    font-size: 0.8rem;
    color: var(--text-dim2);
    letter-spacing: 0.05em;
}

.balance-block .value {
    font-size: 1.5rem;
    font-weight: 600;
}

.balance-block .value.neg {
    color: var(--debit);
}

.balance-block .value.pos {
    color: var(--credit);
}

.sync-live {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text-dim2);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.78rem;
}

.sync-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--credit);
    animation: busy-pulse 1.6s ease-in-out infinite;
}

.sync-bad {
    color: var(--debit);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.78rem;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.mono-btn {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
}

.mono-select {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
}

.habit-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.habit-row {
    border-bottom: 1px solid var(--rule);
    padding-bottom: 0.85rem;
}

.habit-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.habit-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.habit-name {
    font-size: 0.92rem;
    font-weight: 500;
}

.streak {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    color: var(--brass);
}

.tally {
    display: flex;
    gap: 6px;
    align-items: flex-end;
}

.tally-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.tally-mark {
    width: 16px;
    height: 24px;
    position: relative;
}

.tally-mark svg {
    width: 100%;
    height: 100%;
    display: block;
}

.tally-lbl {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.6rem;
    color: var(--text-dim2);
    text-transform: uppercase;
}

.habit-rm {
    color: var(--text-dim2);
    cursor: pointer;
    font-size: 0.85rem;
}

.habit-rm:hover {
    color: var(--debit);
}

.empty {
    color: var(--text-dim2);
    font-size: 0.82rem;
    font-style: italic;
    padding: 1rem 0;
}

.recurring-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 1rem;
    cursor: pointer;
}

.recurring-label input {
    width: auto;
    padding: 0;
}

.recur-tag {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 0.65rem;
    color: var(--text-dim2);
    border: 1px solid var(--rule);
    border-radius: 2px;
    padding: 1px 5px;
    margin-left: 6px;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-thumb {
    background: var(--rule);
    border-radius: 3px;
}

#data-section {
    margin-top: 2.5rem;
}

.data-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 0.9rem;
}

.file-btn {
    display: inline-flex;
    align-items: center;
    background: transparent;
    border: 1px solid var(--brass-dim);
    color: var(--brass);
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 0.8rem;
    padding: 0.5rem 0.9rem;
    border-radius: 2px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.file-btn:hover {
    background: var(--brass);
    color: var(--ink);
}

.data-note {
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--text-dim);
    margin: 0;
}

.heatmap-toggle {
    background: none;
    border: none;
    color: var(--text-dim2);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.68rem;
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
}

.heatmap-toggle:hover {
    color: var(--brass);
    background: none;
}

.heatmap-wrap {
    margin-top: 0.7rem;
    overflow-x: auto;
    padding-bottom: 4px;
}

.heatmap-grid {
    display: grid;
    grid-template-rows: repeat(7, 9px);
    grid-auto-flow: column;
    grid-auto-columns: 9px;
    gap: 2px;
}

.heatmap-cell {
    width: 9px;
    height: 9px;
    border-radius: 2px;
    background: var(--habit-off);
    cursor: pointer;
}

.heatmap-cell.done {
    background: var(--habit);
}

.heatmap-cell.today {
    box-shadow: 0 0 0 1px var(--brass);
}

.heatmap-legend {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-dim2);
    margin-top: 0.4rem;
}

/* ---------- Preloader ---------- */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ink);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
}

.preloader-ring {
    animation: preloader-float 2.2s ease-in-out infinite;
}

.preloader-ring-track {
    fill: none;
    stroke: var(--rule);
    stroke-width: 3;
}

.preloader-ring-sweep {
    fill: none;
    stroke: var(--brass);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 264;
    stroke-dashoffset: 220;
    transform-origin: 50px 50px;
    animation: preloader-spin 1.3s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

.preloader-coin-slot {
    stroke: var(--brass-dim);
    stroke-width: 2.5;
    stroke-linecap: round;
    opacity: 0.85;
}

@keyframes preloader-spin {
    0% {
        transform: rotate(0deg);
        stroke-dashoffset: 220;
    }

    50% {
        stroke-dashoffset: 40;
    }

    100% {
        transform: rotate(360deg);
        stroke-dashoffset: 220;
    }
}

@keyframes preloader-float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-4px);
    }
}

.preloader-word {
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: 1.6rem;
    letter-spacing: 0.06em;
    color: var(--text);
    display: flex;
}

.preloader-word span {
    display: inline-block;
    opacity: 0;
    transform: translateY(10px);
    animation: preloader-letter 1.4s ease infinite;
    animation-delay: calc(var(--i) * 0.08s);
}

@keyframes preloader-letter {

    0%,
    100% {
        opacity: 0;
        transform: translateY(10px);
    }

    30%,
    70% {
        opacity: 1;
        transform: translateY(0);
    }
}

.preloader-sub {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim2);
}

@media (prefers-reduced-motion: reduce) {

    .preloader-ring,
    .preloader-ring-sweep,
    .preloader-word span {
        animation: none;
    }

    .preloader-word span {
        opacity: 1;
        transform: none;
    }
}

/* ---------- Busy indicator (shown briefly before/during a save or load) ---------- */
.busy-indicator {
    position: fixed;
    bottom: 1.1rem;
    right: 1.1rem;
    z-index: 900;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--surface);
    border: 1px solid var(--brass-dim);
    color: var(--text-dim);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    padding: 0.45rem 0.7rem;
    border-radius: 3px;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}

.busy-indicator.show {
    opacity: 1;
    transform: translateY(0);
}

.busy-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--brass);
    animation: busy-pulse 0.9s ease-in-out infinite;
}

@keyframes busy-pulse {

    0%,
    100% {
        transform: scale(0.7);
        opacity: 0.6;
    }

    50% {
        transform: scale(1.15);
        opacity: 1;
    }
}

/* ---------- Offline banner ---------- */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 950;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--surface-2);
    border-bottom: 1px solid var(--brass-dim);
    color: var(--text-dim);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    padding: 0.5rem 0.8rem;
    transform: translateY(-100%);
    transition: transform 0.25s ease;
}

.offline-banner.show {
    transform: translateY(0);
}

.offline-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--debit);
    flex-shrink: 0;
}

/* ---------- Install-app button (shown only when the browser offers install) ---------- */
#install-btn {
    display: none;
}

#install-btn.available {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

/* ---------- Install popup ---------- */
.install-popup-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(6, 11, 9, 0.72);
    backdrop-filter: blur(3px);
    padding: 1.2rem;
}

.install-popup-backdrop.show {
    display: flex;
    animation: install-fade-in 0.2s ease;
}

@keyframes install-fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.install-popup {
    position: relative;
    width: 100%;
    max-width: 380px;
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 14px;
    padding: 1.8rem 1.6rem 1.6rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    text-align: center;
    animation: install-pop-in 0.25s ease;
}

@keyframes install-pop-in {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.install-popup-close {
    position: absolute;
    top: 0.6rem;
    right: 0.8rem;
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
}

.install-popup-close:hover {
    color: var(--text);
}

.install-popup-icon {
    margin-bottom: 0.8rem;
}

.install-popup h3 {
    font-family: 'Fraunces', serif;
    font-size: 1.25rem;
    margin: 0 0 0.6rem;
    color: var(--text);
}

.install-popup p {
    font-size: 0.88rem;
    color: var(--text-dim);
    line-height: 1.5;
    margin: 0 0 1.2rem;
}

.install-popup-steps {
    text-align: left;
    list-style: none;
    counter-reset: install-step;
    margin: 0 0 1.3rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.install-popup-steps li {
    counter-increment: install-step;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.85rem;
    color: var(--text);
    line-height: 1.4;
}

.install-popup-steps li::before {
    content: counter(install-step);
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--surface-2);
    border: 1px solid var(--brass-dim);
    color: var(--brass);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.install-step-icon {
    display: none;
}

.install-popup-actions {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.install-popup-btn {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--rule);
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.install-popup-btn:hover {
    border-color: var(--text-dim);
    color: var(--text);
}

.install-popup-btn.primary {
    background: var(--brass);
    border-color: var(--brass);
    color: var(--ink);
    font-weight: 600;
}

.install-popup-btn.primary:hover {
    background: var(--brass-dim);
    border-color: var(--brass-dim);
    color: var(--text);
}

.site-footer {
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--rule);
    text-align: center;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-dim2);
}

/* ========================================================================
   Mobile responsiveness
   ======================================================================== */
@media (max-width: 640px) {
    body {
        padding: 1.25rem 1rem 3rem;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.85rem;
        margin-bottom: 1.75rem;
    }

    h1 {
        font-size: 1.7rem;
    }

    .header-controls {
        width: 100%;
        gap: 0.6rem;
    }

    .date-badge {
        order: 10;
        width: 100%;
        font-size: 0.78rem;
    }

    .cols {
        gap: 1.25rem;
    }

    section {
        padding: 1.15rem 1.1rem 1.35rem;
    }

    #guide-section {
        padding: 1.15rem 1.2rem 1.35rem;
    }

    h2 {
        font-size: 1rem;
    }

    /* Buttons and inputs get bigger tap targets on touch screens */
    button,
    .file-btn {
        padding: 0.65rem 1rem;
        font-size: 0.83rem;
    }

    input,
    select {
        padding: 0.6rem 0.65rem;
        font-size: 0.9rem;
    }

    input[type=number] {
        width: 92px;
    }

    .data-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .data-actions button,
    .data-actions .file-btn {
        width: 100%;
        text-align: center;
    }

    .household-code-row,
    #household-section .data-actions {
        flex-direction: column;
        align-items: stretch;
    }

    #household-code {
        min-width: 0 !important;
        width: 100%;
    }

    .ms-totals {
        grid-template-columns: 1fr 1fr;
    }

    .ms-stat:last-child {
        grid-column: 1 / -1;
    }

    .cat-bar-label {
        width: 68px;
    }

    .tally {
        gap: 4px;
    }

    .tally-mark {
        width: 14px;
        height: 22px;
    }

    .habit-top {
        flex-wrap: wrap;
        gap: 0.4rem;
    }

    .habit-rm,
    .heatmap-toggle {
        padding: 4px;
    }

    .preloader-word {
        font-size: 1.35rem;
    }

    .busy-indicator {
        bottom: 0.8rem;
        right: 0.8rem;
        left: 0.8rem;
        justify-content: center;
    }
}

@media (max-width: 400px) {
    h1 {
        font-size: 1.45rem;
    }

    .ledger-row .amt {
        min-width: 46px;
        font-size: 0.78rem;
    }

    .cat-tag {
        display: none;
    }

    .tally-lbl {
        display: none;
    }
}

#guide-section {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 2px;
    padding: 1.5rem 1.75rem 1.75rem;
}

.guide-block {
    margin-bottom: 1.4rem;
}

.guide-block:last-child {
    margin-bottom: 0;
}

.guide-block h3 {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 0.95rem;
    margin: 0 0 0.5rem;
    color: var(--brass);
}

.guide-block p {
    font-size: 0.87rem;
    line-height: 1.6;
    color: var(--text-dim);
    margin: 0 0 0.6rem;
}

.guide-block p:last-child {
    margin-bottom: 0;
}

.guide-block strong {
    color: var(--text);
    font-weight: 500;
}