:root {
    --blue: #12a4f4;
    --blue-active: #123de4;
    --green: #00b523;
    --orange: #ff9600;
    --red: #ff1e14;
    --text: #161616;
    --muted: #767676;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #f2f2f2;
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
}

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

.app-shell {
    min-height: 100vh;
}

.bc-screen {
    width: min(100%, 430px);
    min-height: 100vh;
    margin: 0 auto;
    padding: 18px 16px 28px;
    background: #fff;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

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

.topbar__actions form {
    margin: 0;
}

.topbar h1 {
    margin: 0;
    font-size: 18px;
    line-height: 1.1;
}

.topbar p {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.link-button {
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 8px;
    background: #eef7ff;
    color: var(--blue-active);
    padding: 0 10px;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.floor-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 auto 28px;
}

.floor-tab {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    background: var(--blue);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
}

.floor-tab.is-active {
    background: var(--blue-active);
}

.floor-grid {
    display: grid;
    grid-template-columns: repeat(var(--cols), minmax(156px, 1fr));
    gap: 18px 18px;
    align-items: stretch;
    overflow: auto;
    padding-bottom: 16px;
}

.floor-grid--single {
    grid-template-columns: minmax(0, 1fr);
    width: min(75%, 720px);
    margin-right: auto;
    margin-left: auto;
}

.floor-grid--single .room-card {
    min-height: 220px;
}

.room-card {
    min-height: 120px;
    border: 4px solid var(--green);
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px;
    overflow: hidden;
}

.room-card--clickable {
    cursor: pointer;
}

.room-card--occupied {
    border-color: var(--orange);
}

.room-card--debt {
    border-color: var(--red);
}

.room-card--debt.room-card--top-2 {
    border-top-width: 8px;
}

.room-card--debt.room-card--top-3 {
    border-top-width: 12px;
}

.room-card--hidden {
    border-color: transparent;
    background: transparent;
}

.room-card__main {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.room-card__number,
.room-card__company,
.room-card__tenant,
.room-card__area {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.room-card__number {
    font-size: 14px;
}

.room-card__company {
    font-size: 15px;
    font-weight: 700;
}

.room-card__company--muted,
.room-card__tenant {
    color: var(--muted);
}

.room-card__area {
    font-size: 14px;
}

.tenant-contact {
    display: grid;
    gap: 6px;
    justify-items: start;
}

.tenant-contact__toggle {
    border: 0;
    padding: 0;
    background: transparent;
    color: var(--blue-active);
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-align: left;
}

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

.tenant-contact__menu[hidden] {
    display: none;
}

.tenant-contact__menu a {
    width: 32px;
    min-height: 26px;
    display: grid;
    place-items: center;
    border-radius: 6px;
    background: #eef7ff;
    color: var(--blue-active);
    padding: 0;
    font-size: 12px;
    font-weight: 700;
}

.contact-button--wa {
    color: #18a957;
}

.room-card__actions .contact-button--wa,
.tenant-contact__menu .contact-button--wa {
    color: #18a957;
}

.contact-button--phone::before {
    width: 18px;
    height: 18px;
    content: "";
    display: block;
    background: url("../icons/phone.svg") center / contain no-repeat;
}

.room-card__debts {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    color: var(--red);
    font-size: 12px;
    font-weight: 700;
}

.room-card__actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.room-card__actions a,
.room-card__actions span {
    min-width: 34px;
    min-height: 28px;
    display: grid;
    place-items: center;
    border-radius: 6px;
    background: #eef7ff;
    color: var(--blue-active);
    font-size: 12px;
    font-weight: 700;
}

.empty-state,
.detail-card,
.login-card {
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    background: #fff;
    padding: 18px;
}

.detail-screen,
.login-screen {
    width: min(100%, 430px);
    min-height: 100vh;
    margin: 0 auto;
    padding: 18px 16px 28px;
    background: #fff;
}

.back-link {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--blue-active);
    font-size: 14px;
}

.detail-card h1,
.login-card h1 {
    margin: 0 0 10px;
    font-size: 22px;
}

.detail-card h2 {
    margin: 22px 0 10px;
    font-size: 17px;
}

.detail-list {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 10px;
    margin: 18px 0;
}

.detail-list dt {
    color: var(--muted);
}

.detail-list dd {
    margin: 0;
}

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

.payment-list div {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.login-card {
    display: grid;
    gap: 14px;
}

.login-card p,
.muted {
    color: var(--muted);
}

.login-card label {
    display: grid;
    gap: 6px;
    font-size: 14px;
}

.login-card input {
    min-height: 42px;
    border: 1px solid #d5d5d5;
    border-radius: 6px;
    padding: 8px 10px;
    font: inherit;
}

.primary-button {
    min-height: 42px;
    border: 0;
    border-radius: 6px;
    background: var(--blue-active);
    color: #fff;
    display: grid;
    place-items: center;
    padding: 0 14px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.form-error,
.is-red {
    color: var(--red);
}

.is-green {
    color: var(--green);
}

.admin-screen {
    width: min(100%, 760px);
    min-height: 100vh;
    margin: 0 auto;
    padding: 18px 16px 28px;
    background: #fff;
}

.admin-screen--wide {
    width: min(100%, 980px);
}

.admin-nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    margin-bottom: 18px;
    padding-bottom: 4px;
}

.admin-nav a {
    white-space: nowrap;
    border-radius: 6px;
    background: #eef7ff;
    color: var(--blue-active);
    padding: 8px 10px;
    font-size: 14px;
    font-weight: 700;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.admin-header h1 {
    margin: 0;
    font-size: 24px;
}

.admin-header p {
    margin: 5px 0 0;
    color: var(--muted);
}

.admin-header__action {
    min-width: 110px;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.admin-tile,
.admin-row,
.admin-form,
.admin-table {
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    background: #fff;
}

.admin-tile {
    display: grid;
    gap: 6px;
    padding: 16px;
}

.admin-tile span,
.admin-row span {
    color: var(--muted);
    font-size: 14px;
}

.notice {
    margin-bottom: 14px;
    border-radius: 8px;
    background: #edf8ef;
    color: #0a7b2a;
    padding: 10px 12px;
    font-weight: 700;
}

.notice--error {
    background: #fff0f0;
    color: var(--red);
}

.admin-list {
    display: grid;
    gap: 10px;
}

.admin-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px;
}

.admin-row > div:first-child {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.admin-row__actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.admin-row__actions form {
    margin: 0;
}

.small-button {
    min-height: 30px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 6px;
    background: #eef7ff;
    color: var(--blue-active);
    padding: 0 9px;
    font: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

.small-button--danger {
    background: #fff0f0;
    color: var(--red);
}

.admin-table__row .admin-row__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.admin-table__row .admin-row__actions form {
    margin: 0;
}

.admin-row__rental {
    display: block;
}

.ledger-list {
    display: grid;
    gap: 10px;
}

.ledger-card {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) 170px 90px auto;
    gap: 12px;
    align-items: center;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    background: #fff;
    padding: 12px;
}

.ledger-card__main,
.ledger-card__balance,
.ledger-card__meter {
    display: grid;
    gap: 4px;
}

.ledger-card__main span,
.ledger-card__meter span {
    color: var(--muted);
    font-size: 14px;
}

.ledger-card__balance span {
    font-size: 13px;
    font-weight: 700;
}

.ledger-card__balance .is-debt {
    color: var(--red);
}

.form-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-radius: 8px;
    background: #f7f7f7;
    padding: 10px 12px;
}

.history-panel,
.report-section {
    margin-top: 16px;
}

.history-panel h2,
.report-section h2 {
    margin: 0 0 10px;
    font-size: 18px;
}

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

.history-list div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 10px 12px;
}

.history-list span {
    color: var(--muted);
}

.permissions-grid {
    display: grid;
    gap: 8px;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 12px;
}

.permissions-grid legend {
    padding: 0 6px;
    font-weight: 700;
}

.audit-list {
    display: grid;
    gap: 10px;
}

.audit-item {
    display: grid;
    gap: 8px;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    background: #fff;
    padding: 12px;
}

.audit-item span {
    display: block;
    margin-top: 3px;
    color: var(--muted);
    font-size: 13px;
}

.audit-item summary {
    color: var(--blue-active);
    cursor: pointer;
    font-weight: 700;
}

.audit-item pre {
    max-height: 220px;
    overflow: auto;
    border-radius: 6px;
    background: #f7f7f7;
    padding: 10px;
    white-space: pre-wrap;
}

.report-filter {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 10px;
    margin-bottom: 16px;
}

.report-filter label {
    display: grid;
    gap: 4px;
    font-size: 13px;
    font-weight: 700;
}

.report-filter input {
    min-height: 36px;
    border: 1px solid #d5d5d5;
    border-radius: 6px;
    padding: 6px 8px;
    font: inherit;
}

.report-table {
    overflow-x: auto;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    background: #fff;
}

.report-table__head,
.report-table__row {
    display: grid;
    gap: 10px;
    align-items: center;
    min-width: 760px;
    padding: 10px 12px;
}

.report-table--debts .report-table__head,
.report-table--debts .report-table__row {
    grid-template-columns: minmax(180px, 1.2fr) 120px repeat(4, 95px);
}

.report-table--payments .report-table__head,
.report-table--payments .report-table__row {
    grid-template-columns: 100px minmax(180px, 1fr) 120px 100px 100px;
}

.report-table__head {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    border-bottom: 1px solid #e5e5e5;
}

.report-table__row + .report-table__row {
    border-top: 1px solid #f0f0f0;
}

.admin-form {
    display: grid;
    gap: 14px;
    padding: 16px;
}

.admin-form label {
    display: grid;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
}

.admin-form input,
.admin-form select,
.admin-form textarea {
    width: 100%;
    min-height: 42px;
    border: 1px solid #d5d5d5;
    border-radius: 6px;
    padding: 8px 10px;
    font: inherit;
    font-weight: 400;
}

.admin-form textarea {
    resize: vertical;
}

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

.checkbox-line {
    display: flex !important;
    grid-template-columns: none;
    align-items: center;
    flex-direction: row;
}

.checkbox-line input {
    width: auto;
    min-height: auto;
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    margin-bottom: 14px;
    padding-bottom: 4px;
}

.admin-tabs a {
    min-width: 38px;
    min-height: 34px;
    display: grid;
    place-items: center;
    border-radius: 6px;
    background: var(--blue);
    color: #fff;
    font-weight: 700;
}

.admin-tabs a.is-active {
    background: var(--blue-active);
}

.admin-table {
    overflow-x: auto;
}

.admin-table__head,
.admin-table__row {
    display: grid;
    grid-template-columns: 70px 100px minmax(210px, 1fr) 90px 90px 128px;
    gap: 10px;
    align-items: center;
    min-width: 700px;
    padding: 10px 12px;
}

.admin-table__head {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    border-bottom: 1px solid #e5e5e5;
}

.admin-table__row + .admin-table__row {
    border-top: 1px solid #f0f0f0;
}

@media (min-width: 700px) {
    .bc-screen,
    .detail-screen,
    .login-screen,
    .admin-screen {
        margin-top: 24px;
        min-height: calc(100vh - 48px);
        border-radius: 24px;
        box-shadow: 0 16px 60px rgba(0, 0, 0, 0.08);
    }

    .bc-screen {
        width: min(100%, var(--desktop-screen-width, 980px));
    }

    .floor-grid {
        grid-template-columns: repeat(var(--cols), minmax(240px, 260px));
        justify-content: safe center;
    }

    .floor-grid--single {
        grid-template-columns: minmax(0, 1fr);
    }

    .floor-grid--single .room-card {
        min-height: 240px;
    }
}

@media (max-width: 380px) {
    .floor-tabs {
        gap: 6px;
    }

    .floor-grid {
        grid-template-columns: repeat(var(--cols), minmax(138px, 1fr));
        gap: 16px 14px;
    }

    .room-card {
        min-height: 116px;
    }

    .admin-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .admin-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .ledger-card {
        grid-template-columns: 1fr;
    }
}