/* smartSCHANK web cash, colour tokens shared with the portal start page */
:root {
    color-scheme: dark;
    --bg: #24282d;
    --card: #2e343b;
    --field: #1f2327;
    --border: #3d444d;
    --border-strong: #4b5361;
    --text: #eee;
    --text-soft: #cfd8e0;
    --muted: #8fa3b5;
    --accent: #2175bc;
    --accent-hover: #2b86d4;
    --danger: #a32d2d;
    --danger-text: #f09595;
    --ok: #8fd694;
    --warn: #e0a640;
    --key: #3a424b;
    --key-hover: #4a5460;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}
:root[data-theme="light"] {
    color-scheme: light;
    --bg: #eef1f4;
    --card: #ffffff;
    --field: #f6f8fa;
    --border: #d5dbe2;
    --border-strong: #b7c0ca;
    --text: #1f262d;
    --text-soft: #3a4650;
    --muted: #5f6f7d;
    --danger-text: #a32d2d;
    --ok: #2e7d32;
    --warn: #b07a12;
    --key: #e3e8ee;
    --key-hover: #d3dae2;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

* {
    box-sizing: border-box;
}
html, body {
    height: 100%;
}
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Trebuchet MS', 'Lucida Grande', Verdana, Lucida, Geneva, Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
}
a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 2px solid #8fc1ea;
    outline-offset: 2px;
}
[hidden] {
    display: none !important;
}

/* ---------- top bar ---------- */
.topbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.6em 1em;
    padding: 0.6em 1em;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.topbar a.home {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9em;
    white-space: nowrap;
}
.topbar a.home:hover {
    color: var(--text);
}
.topbar .title {
    display: flex;
    align-items: baseline;
    gap: 0.6em;
    flex-wrap: wrap;
}
.topbar .title h1 {
    margin: 0;
    font-size: 1.25em;
}
.topbar .title small {
    color: var(--muted);
    font-size: 0.85em;
}
.topbar .spacer {
    flex: 1;
}
.clock {
    font-variant-numeric: tabular-nums;
    color: var(--muted);
    font-size: 0.95em;
}
#status {
    max-width: 100%;
    padding: 0.3em 0.8em;
    border-radius: 999px;
    background: var(--field);
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.85em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
#status:empty {
    display: none;
}
#status.ok {
    color: var(--ok);
    border-color: var(--ok);
}
#status.err {
    color: var(--danger-text);
    border-color: var(--danger);
}
#theme_toggle {
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.3em;
    height: 2.3em;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--muted);
    cursor: pointer;
    padding: 0;
}
#theme_toggle:hover {
    color: var(--text);
    border-color: var(--muted);
}
/* language switch next to the theme toggle, like on the demonstrator pages */
#lang_toggle {
    flex: none;
    display: flex;
    align-items: center;
    gap: 0.35em;
    height: 2.3em;
    padding: 0 0.8em;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 1.15em;
    color: var(--muted);
    font-family: inherit;
    font-size: 0.8em;
    font-weight: bold;
    cursor: pointer;
}
#lang_toggle:hover {
    border-color: var(--muted);
}
#lang_toggle span {
    opacity: 0.45;
}
:root[data-lang="de"] #lang_toggle [data-lang="de"],
:root[data-lang="en"] #lang_toggle [data-lang="en"] {
    opacity: 1;
    color: var(--text);
}
#theme_toggle svg {
    width: 1.2em;
    height: 1.2em;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
#theme_toggle .sun { display: none; }
#theme_toggle .moon { display: block; }
:root[data-theme="light"] #theme_toggle .sun { display: block; }
:root[data-theme="light"] #theme_toggle .moon { display: none; }

/* ---------- pos layout: keys left, articles centre, receipt right ---------- */
#pos {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1em;
    padding: 1em;
    align-items: start;
}
@media (min-width: 48em) {
    #pos {
        grid-template-columns: 17em 1fr;
    }
    #ticket {
        grid-column: 1 / -1;
    }
}
@media (min-width: 70em) {
    #pos {
        grid-template-columns: 17em 1fr 24em;
        height: calc(100% - 3.6em);
    }
    #ticket {
        grid-column: auto;
    }
    #credits, #ticket {
        align-self: stretch;
        display: flex;
        flex-direction: column;
        max-height: calc(100vh - 6em);
    }
    #article-buttons, .panel {
        overflow: auto;
    }
}
.col {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.9em 1em 1em;
    box-shadow: var(--shadow);
}
.col h2 {
    display: flex;
    align-items: center;
    gap: 0.5em;
    margin: 0 0 0.8em 0;
    font-size: 0.85em;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.col h2 svg {
    width: 1.2em;
    height: 1.2em;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.count {
    margin-left: auto;
    font-size: 0.9em;
    color: var(--text-soft);
    text-transform: none;
    letter-spacing: 0;
}
.count:empty {
    display: none;
}

/* ---------- fields ---------- */
.fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6em;
}
.fields.three {
    grid-template-columns: 1fr 1fr 1fr;
}
.field {
    display: flex;
    flex-direction: column;
    gap: 0.25em;
    min-width: 0;
}
.field.wide {
    grid-column: 1 / -1;
}
.field label {
    color: var(--muted);
    font-size: 0.8em;
}
.field .unit {
    position: relative;
}
.field .unit span {
    position: absolute;
    right: 0.6em;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    font-size: 0.8em;
    pointer-events: none;
}
.field input {
    width: 100%;
    background: var(--field);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5em 0.6em;
    font-family: inherit;
    font-size: 1em;
}
.field input:focus {
    border-color: var(--accent);
    outline: none;
}
.field .unit input {
    padding-right: 2.4em;
}
.hint {
    margin: 0.8em 0 0;
    color: var(--muted);
    font-size: 0.8em;
}
.credit-delete button.switch {
    margin-top: 0.5em;
}
button.delete-action {
    display: block;
    width: 100%;
    margin-top: 0.6em;
    background: var(--danger);
}
button.delete-action:hover {
    background: var(--danger);
    filter: brightness(1.15);
}
details.more {
    margin-top: 0.9em;
    border-top: 1px solid var(--border);
    padding-top: 0.6em;
}
details.more summary {
    cursor: pointer;
    color: var(--muted);
    font-size: 0.85em;
    user-select: none;
    margin-bottom: 0.6em;
}
details.more summary:hover {
    color: var(--text);
}

/* ---------- quantity keypad ---------- */
.qty {
    margin-top: 0.9em;
}
.qty-display {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 0.4em 0.8em;
    background: var(--field);
    border: 1px solid var(--border);
    border-radius: 8px 8px 0 0;
    border-bottom: none;
}
.qty-display .label {
    color: var(--muted);
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.qty-display .value {
    font-size: 1.9em;
    font-weight: bold;
    font-variant-numeric: tabular-nums;
}
body.storno .qty-display .value {
    color: var(--danger-text);
}
.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.35em;
    padding: 0.5em;
    background: var(--field);
    border: 1px solid var(--border);
    border-radius: 0 0 8px 8px;
}
.keypad button {
    min-height: 2.7em;
    background: var(--key);
    color: var(--text);
    font-size: 1.1em;
    border-radius: 6px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
}
.keypad button:hover {
    background: var(--key-hover);
}
.keypad button.fn {
    color: var(--muted);
    font-size: 1em;
}

/* ---------- buttons ---------- */
button {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.5em 0.9em;
    font-family: inherit;
    font-size: 0.9em;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}
button:hover {
    background: var(--accent-hover);
}
button:active {
    transform: translateY(1px);
}
button.secondary {
    background: var(--field);
    color: var(--text-soft);
    border: 1px solid var(--border);
}
button.secondary:hover {
    background: var(--border);
    color: var(--text);
}
button.small {
    padding: 0.3em 0.7em;
    font-size: 0.8em;
}
.row {
    display: flex;
    gap: 0.6em;
    margin-bottom: 0.8em;
    flex-wrap: wrap;
}
.row button {
    flex: 1;
}

/* switch style toggle (auto fetch, storno) */
button.switch {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.6em;
    width: 100%;
    margin-top: 0.9em;
    padding-left: 0.9em;
    background: var(--field);
    color: var(--text-soft);
    border: 1px solid var(--border);
    text-align: left;
}
.row button.switch {
    margin-top: 0;
    width: auto;
}
button.switch::before {
    content: "";
    width: 1.9em;
    height: 1.05em;
    border-radius: 999px;
    background: var(--border-strong);
    flex: none;
    transition: background 0.15s;
}
button.switch::after {
    content: "";
    position: absolute;
    left: 1em;
    top: 50%;
    width: 0.85em;
    height: 0.85em;
    border-radius: 50%;
    background: #fff;
    transform: translate(0, -50%);
    transition: transform 0.15s;
}
button.switch:hover {
    background: var(--border);
}
button.switch.on {
    border-color: var(--accent);
    color: var(--text);
}
button.switch.on::before {
    background: var(--accent);
}
button.switch.on::after {
    transform: translate(0.85em, -50%);
}
button.switch.danger.on {
    border-color: var(--danger);
}
button.switch.danger.on::before {
    background: var(--danger);
}
button.switch + button.switch {
    margin-top: 0.5em;
}
button.switch.voucher.on {
    border-color: var(--warn);
}
button.switch.voucher.on::before {
    background: var(--warn);
}

/* ---------- article keys ---------- */
#article-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(8.5em, 1fr));
    gap: 0.6em;
    align-content: start;
}
.article-button {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 5.4em;
    padding: 1.1em 0.5em 0.6em;
    text-align: center;
    line-height: 1.2;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    border-radius: 8px;
}
.article-button:hover {
    filter: brightness(1.12);
    background: inherit;
}
.article-button .plu {
    position: absolute;
    top: 0.35em;
    right: 0.5em;
    font-size: 0.7em;
    font-weight: normal;
    opacity: 0.8;
}
.article-button .name {
    font-size: 1.05em;
    word-break: break-word;
}
.article-button.booked {
    animation: booked 0.6s ease-out;
}
@keyframes booked {
    0% { transform: scale(0.94); box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.45); }
    100% { transform: scale(1); box-shadow: var(--shadow); }
}
body.storno .article-button {
    border-color: var(--danger);
}
body.voucher .article-button {
    border-color: var(--warn);
}
.empty {
    color: var(--muted);
    font-size: 0.9em;
    padding: 0.6em 0;
}

/* plu range colours */
.plu-100 { background: #2175bc; }
.plu-200 { background: #3b6d11; }
.plu-300 { background: #b87516; }
.plu-400 { background: #0f6e56; }
.plu-500 { background: #444a52; }
.plu-600 { background: #a32d2d; }
.plu-700 { background: #5b5470; }

/* ---------- receipt / debits with tabs ---------- */
.tabs {
    display: flex;
    gap: 0.4em;
    margin-bottom: 0.8em;
    border-bottom: 1px solid var(--border);
}
.tabs .tab {
    display: flex;
    align-items: center;
    gap: 0.5em;
    background: transparent;
    color: var(--muted);
    border-radius: 6px 6px 0 0;
    padding: 0.5em 1em;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.tabs .tab:hover {
    color: var(--text);
    background: var(--field);
}
.tabs .tab.active {
    color: var(--text);
    border-bottom-color: var(--accent);
}
.tabs .tab .count {
    margin-left: 0;
    font-size: 0.8em;
    padding: 0 0.5em;
    border-radius: 999px;
    background: var(--field);
    border: 1px solid var(--border);
}
.panel {
    display: flex;
    flex-direction: column;
    min-height: 0;
    flex: 1;
}

/* receipt: monospaced, dashed separators like a printed bon */
#bon-list {
    flex: 1;
    overflow: auto;
    font-family: "Courier New", monospace;
    font-size: 13px;
}
.bon-row {
    display: grid;
    grid-template-columns: 3.2em 1fr auto;
    gap: 0.2em 0.6em;
    align-items: baseline;
    padding: 0.45em 0.2em;
    border-bottom: 1px dashed var(--border);
}
.bon-row .time {
    color: var(--muted);
    font-size: 0.85em;
}
.bon-row .what b {
    font-size: 1.05em;
}
.bon-row .what small {
    display: block;
    color: var(--muted);
    font-size: 0.85em;
}
.bon-row .state {
    font-family: 'Trebuchet MS', Verdana, Arial, sans-serif;
    font-size: 0.75em;
    font-weight: bold;
    padding: 0.1em 0.6em;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
    white-space: nowrap;
}
.bon-row .state.ok { color: var(--ok); border-color: var(--ok); }
.bon-row .state.open { color: var(--accent-hover); border-color: var(--accent); }
.bon-row .state.gone { color: var(--muted); border-color: var(--border-strong); }
.bon-row .state.drawn { color: #fff; background: var(--ok); border-color: var(--ok); }
:root[data-theme="light"] .bon-row .state.drawn { background: #2e7d32; }
.bon-row .state.storno { color: var(--warn); border-color: var(--warn); }
.bon-row .state.err { color: var(--danger-text); border-color: var(--danger); }
.bon-row .tag.voucher {
    margin-left: 0.5em;
    padding: 0 0.45em;
    border: 1px solid var(--warn);
    border-radius: 4px;
    color: var(--warn);
    font-size: 0.75em;
    font-weight: bold;
    vertical-align: middle;
}
.bon-row.storno .what b {
    text-decoration: line-through;
    text-decoration-color: var(--warn);
}
.bon-footer {
    display: flex;
    align-items: center;
    gap: 1.2em;
    margin-top: 0.6em;
    padding-top: 0.6em;
    border-top: 2px solid var(--border);
    color: var(--muted);
    font-size: 0.85em;
}
.bon-footer b {
    color: var(--text);
    font-size: 1.1em;
}
.bon-footer button {
    margin-left: auto;
}

/* debit cards */
#debit-list {
    flex: 1;
    overflow: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5em;
}
.debit-entry {
    background: var(--field);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 8px;
    padding: 0.5em 0.7em;
    transition: border-color 1.5s ease, background-color 1.5s ease;
}
.debit-entry.fresh {
    background: rgba(33, 117, 188, 0.18);
    border-color: var(--accent);
}
.debit-entry .head {
    display: flex;
    align-items: baseline;
    gap: 0.6em;
    flex-wrap: wrap;
}
.debit-entry .head .id {
    color: var(--muted);
    font-size: 0.8em;
}
.debit-entry .head .time {
    margin-left: auto;
    color: var(--muted);
    font-size: 0.8em;
}
.debit-entry .chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35em;
    margin-top: 0.4em;
}
.debit-entry .chip {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.1em 0.6em;
    font-size: 0.8em;
    color: var(--text-soft);
}
.debit-entry .chip b {
    color: var(--text);
}
.debit-entry details {
    margin-top: 0.4em;
}
.debit-entry summary {
    cursor: pointer;
    color: var(--muted);
    font-size: 0.75em;
    user-select: none;
}
.debit-entry pre {
    margin: 0.3em 0 0;
    padding: 0.4em 0.6em;
    background: var(--bg);
    border-radius: 6px;
    font-family: "Courier New", monospace;
    font-size: 11px;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-soft);
}