:root {
    --bg: #f5f5f5;
    --surface: #ffffff;
    --primary: #4a90e2;
    --primary-dark: #357abd;
    --danger: #e74c3c;
    --text: #2c3e50;
    --text-muted: #7f8c8d;
    --border: #e0e0e0;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --chores-color: #4a90e2;
    --shopping-color: #27ae60;
    --expenses-color: #e67e22;
    --calendar-color: #8e44ad;
    --success: #27ae60;
    --warning: #f39c12;
    --points-gold: #f1c40f;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: linear-gradient(180deg, #eef5ff 0%, var(--bg) 220px);
    font-family:
        system-ui,
        -apple-system,
        sans-serif;
    color: var(--text);
    min-height: 100vh;
}

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

.hidden {
    display: none !important;
}

#identity-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.identity-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 2rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.identity-card h2 {
    font-size: 1.35rem;
    text-align: center;
}

/* Access-code gate overlay (reuses .identity-card for the panel itself) */
.access-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.access-error {
    color: #e74c3c;
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 1rem;
}

.identity-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.92rem;
}

#flatmate-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.flatmate-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 2px solid transparent;
    background: #f4f8ff;
    border-radius: 999px;
    padding: 0.55rem 0.85rem;
    cursor: pointer;
    color: var(--text);
    box-shadow: var(--shadow);
}

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

.flatmate-label {
    font-weight: 600;
}

#add-new-user-btn {
    background: none;
    border: 1px dashed var(--border);
    border-radius: 8px;
    padding: 0.65rem 1rem;
    color: var(--text-muted);
    cursor: pointer;
}

#add-new-user-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition:
        border-color 0.15s,
        transform 0.15s;
}

.color-swatch.selected {
    border-color: var(--text);
    transform: scale(1.15);
}

header {
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    padding: 0.85rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 10;
    color: #fff;
}

header h1 {
    font-size: 1.35rem;
    color: #fff;
}

.header-subtitle {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.85);
    margin-top: 2px;
}

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

#current-user-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    border: none;
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.95);
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
    cursor: pointer;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
    font-size: 0.85rem;
    flex-shrink: 0;
}

#switch-user-btn,
#edit-profile-btn {
    background: rgba(255, 255, 255, 0.12);
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1;
    padding: 0.5rem;
    border-radius: 999px;
}

#switch-user-btn:hover,
#edit-profile-btn:hover,
#current-user-badge:hover {
    background: rgba(255, 255, 255, 0.2);
}

#tab-bar {
    display: flex;
    background: var(--surface);
    border-top: 1px solid var(--border);
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 10;
}

.tab-btn {
    flex: 1;
    padding: 0.6rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 0.65rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-top: 2px solid transparent;
}

.tab-btn.active {
    color: var(--primary);
    border-top-color: var(--primary);
}

.tab-btn[data-tab="chores"].active {
    color: var(--chores-color);
    border-top-color: var(--chores-color);
}
.tab-btn[data-tab="shopping"].active {
    color: var(--shopping-color);
    border-top-color: var(--shopping-color);
}
.tab-btn[data-tab="expenses"].active {
    color: var(--expenses-color);
    border-top-color: var(--expenses-color);
}
.tab-btn[data-tab="calendar"].active {
    color: var(--calendar-color);
    border-top-color: var(--calendar-color);
}
.tab-btn[data-tab="rankings"].active {
    color: var(--points-gold);
    border-top-color: var(--points-gold);
}

.tab-icon {
    font-size: 1.3rem;
    line-height: 1;
}

#tab-content {
    padding: 1rem;
    padding-bottom: 84px;
    max-width: 720px;
    margin: 0 auto;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.panel-header h2 {
    font-size: 1.15rem;
}

#panel-chores .panel-header h2 {
    color: var(--chores-color);
}
#panel-shopping .panel-header h2 {
    color: var(--shopping-color);
}
#panel-expenses .panel-header h2 {
    color: var(--expenses-color);
}
#panel-calendar .panel-header h2 {
    color: var(--calendar-color);
}
#panel-rankings .panel-header h2 {
    color: var(--points-gold);
}

.btn-primary,
.btn-danger,
.btn-secondary {
    border-radius: 8px;
    cursor: pointer;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    border: none;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg);
    border-color: var(--text-muted);
}

.compact-btn {
    padding: 0.3rem 0.65rem;
    font-size: 0.8rem;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-muted);
    padding: 0.25rem;
}

.icon-btn:hover {
    color: var(--text);
}

#add-chore-btn {
    background: var(--chores-color);
}
#add-list-btn {
    background: var(--shopping-color);
}
#add-expense-btn {
    background: var(--expenses-color);
}
#add-event-btn {
    background: var(--calendar-color);
}
#add-chore-btn:hover {
    background: #357abd;
}
#add-list-btn:hover {
    background: #1e8449;
}
#add-expense-btn:hover {
    background: #ca6f1e;
}
#add-event-btn:hover {
    background: #7d3c98;
}

.chore-card,
.shopping-list-card,
.expense-card,
.event-card,
#add-list-form,
#add-user-form,
.history-section {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.chore-card {
    padding: 1rem;
    margin-bottom: 0.85rem;
    border-left: 4px solid var(--chores-color);
}

.chore-card.done {
    opacity: 0.7;
    border-left-color: var(--border);
}

.chore-card.overdue {
    border-left-color: var(--danger);
    background: #fff5f5;
}

.chore-card.due-soon {
    border-left-color: var(--warning);
    background: #fffbf0;
}

.chore-topline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.chore-title {
    font-weight: 700;
}

.chore-description {
    color: var(--text);
    font-size: 0.92rem;
    margin-top: 0.45rem;
}

.chore-meta,
.chore-extra,
.chore-done-line,
.expense-meta,
.expense-submeta,
.event-meta {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.chore-done-line {
    color: var(--success);
}

.chore-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 0.85rem;
}

.points-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: #fff8e1;
    color: #b7770d;
    border: 1px solid #f1c40f;
    border-radius: 12px;
    padding: 1px 8px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.rotation-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #e8f4fd;
    color: #2471a3;
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.72rem;
    font-weight: 600;
    margin-top: 0.45rem;
}

.history-section {
    margin-top: 1.25rem;
    padding: 1rem;
}

.history-section h3 {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 0;
    border-bottom: 1px solid var(--border);
}

.history-item:last-child {
    border-bottom: none;
}

.history-title {
    flex: 1;
    font-weight: 600;
}

.history-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-align: right;
}

.shopping-list-card {
    padding: 1rem;
    margin-bottom: 0.85rem;
    border-left: 4px solid var(--shopping-color);
}

.shopping-list-subtitle {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin: 0.4rem 0 0.8rem;
}

.shopping-category-group {
    margin-bottom: 0.8rem;
}

.shopping-category-group:last-of-type {
    margin-bottom: 0;
}

.shopping-category-header {
    padding-left: 0.55rem;
    border-left: 3px solid var(--shopping-color);
    margin: 0.8rem 0 0.35rem;
}

.list-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.list-name {
    font-weight: 700;
}

.shopping-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.shopping-item:last-child {
    border-bottom: none;
}

.shopping-item.bought {
    color: var(--text-muted);
}

.shopping-item-main {
    flex: 1;
    min-width: 0;
}

.shopping-item-line {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.shopping-item.bought .shopping-item-line {
    text-decoration: line-through;
}

.shopping-quantity {
    opacity: 0.65;
}

.shopping-item-meta {
    margin-top: 4px;
}

.shopping-status-text {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.shopping-category-pill {
    display: inline-flex;
    align-items: center;
    border: 1px solid currentColor;
    border-radius: 999px;
    padding: 1px 8px;
    font-size: 0.73rem;
    font-weight: 600;
}

.recently-bought {
    margin-top: 0.9rem;
    padding-top: 0.6rem;
    border-top: 1px dashed var(--border);
}

.recently-bought-header {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.recently-bought-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.recently-bought-name {
    flex: 1;
    min-width: 0;
    text-decoration: line-through;
}

.recently-bought-meta {
    font-size: 0.75rem;
    white-space: nowrap;
}

.add-item-row {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.add-item-input {
    flex: 1;
}

.expense-card {
    padding: 1rem;
    margin-bottom: 0.85rem;
    border-left: 4px solid var(--expenses-color);
}

.balance-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.balance-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.balance-badge.positive {
    background: #d4edda;
    color: #155724;
}

.balance-badge.negative {
    background: #f8d7da;
    color: #721c24;
}

.balance-badge.zero {
    background: var(--border);
    color: var(--text-muted);
}

.settlement-detail {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 20;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.55rem 0.7rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-top: 2px;
}

.balance-hover {
    position: relative;
    cursor: help;
}

.balance-hover:hover .settlement-detail {
    display: block;
}

.event-card {
    padding: 1rem;
    margin-bottom: 0.85rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.event-date-pill {
    min-width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--calendar-color);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1.15;
    flex-shrink: 0;
}

.event-details {
    flex: 1;
}

.event-title {
    font-weight: 700;
}

.event-tools {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-end;
}

.export-event-btn {
    text-decoration: none;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    width: 90%;
    max-width: 460px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
}

.modal-title {
    margin-bottom: 1rem;
    color: var(--primary);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text);
}

.checkbox-label {
    display: inline-flex !important;
    align-items: center;
    gap: 8px;
}

.form-row.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea,
.add-item-input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text);
    background: var(--surface);
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 72px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.add-item-input:focus {
    border-color: var(--primary);
}

.form-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 1rem;
}

.form-actions button:not(.btn-primary):not(.btn-danger):not(.btn-secondary) {
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    color: var(--text-muted);
}

#split-checkboxes,
#attendee-checkboxes,
#chore-rotation-members {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 6px;
}

#split-checkboxes label,
#attendee-checkboxes label,
.member-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.3rem 0.55rem;
    background: #fafcff;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem 1rem;
    font-size: 0.95rem;
}

/* ═══════════════════════════════════════════
   RANKINGS
═══════════════════════════════════════════ */
.standing-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.standing-row:first-of-type {
    padding-top: 0;
}

.standing-row:last-child {
    border-bottom: none;
}

.standing-medal {
    width: 28px;
    text-align: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.standing-name {
    flex: 1;
    font-weight: 600;
    min-width: 0;
}

.standing-details {
    display: flex;
    gap: 10px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.standing-score {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
    min-width: 10px;
    text-align: right;
}

.standings-header {
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.82rem;
    margin: 1rem 0 0.3rem;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid var(--points-gold);
}

.standings-header:first-of-type {
    margin-top: 0;
}

.winner-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #fff8e1 0%, #ffefbf 100%);
    border: 1px solid var(--points-gold);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.winner-crown {
    font-size: 2rem;
    flex-shrink: 0;
}

.rankings-month-section {
    margin-top: 1.25rem;
}

.rankings-month-section h3 {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 560px) {
    .form-row.two-col {
        grid-template-columns: 1fr;
    }

    .event-card {
        flex-wrap: wrap;
    }

    .event-tools {
        width: 100%;
        flex-direction: row;
        justify-content: flex-end;
    }

    .history-item {
        align-items: flex-start;
    }

    .history-meta {
        text-align: left;
    }
}

@media (min-width: 600px) {
    body {
        font-size: 1.04rem;
    }

    #tab-content {
        padding: 1.4rem;
        padding-bottom: 90px;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .tab-btn {
        font-size: 0.75rem;
        padding: 0.75rem 0;
    }

    .tab-icon {
        font-size: 1.4rem;
    }
}

/* ═══════════════════════════════════════════
   FEEDBACK / TICKETS
   ═══════════════════════════════════════════ */

/* Floating action button: compact and scales with the viewport (clamp), sits
   in the bottom-left corner just above the fixed tab bar so it never covers
   app content. Modals (z-index 50) render above it. */
#feedback-fab {
    position: fixed;
    bottom: 84px;
    left: 12px;
    width: clamp(38px, 9vw, 46px);
    height: clamp(38px, 9vw, 46px);
    border: none;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: clamp(1rem, 2.6vw, 1.2rem);
    line-height: 1;
    cursor: pointer;
    z-index: 30;
    box-shadow: var(--shadow);
    opacity: 0.7;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

#feedback-fab:hover,
#feedback-fab:focus-visible {
    transform: scale(1.15);
    opacity: 1;
    outline: none;
}

.feedback-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.feedback-hint code {
    background: rgba(0, 0, 0, 0.06);
    border-radius: 4px;
    padding: 0.1rem 0.35rem;
}

#feedback-page[readonly] {
    background: rgba(0, 0, 0, 0.04);
    color: var(--text-muted);
}

#feedback-success {
    background: rgba(46, 204, 113, 0.12);
    border: 1px solid #2ecc71;
    color: #1e8e4e;
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ═══════════════════════════════════════════
   SHOPPING SUGGESTIONS ("did you mean…")
   ═══════════════════════════════════════════ */

.suggest-box {
    margin-top: 6px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    overflow: hidden;
    max-height: 190px;
    overflow-y: auto;
}

.suggest-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    padding: 0.4rem 0.6rem 0.2rem;
}

.suggest-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    width: 100%;
    text-align: left;
    padding: 0.5rem 0.6rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text);
    border-top: 1px solid var(--border);
    font-family: inherit;
}

.suggest-item:hover,
.suggest-item:focus-visible {
    background: rgba(0, 0, 0, 0.06);
    outline: none;
}

.suggest-name {
    font-weight: 600;
}

.suggest-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}