:root {
    --bg: #f3f6f8;
    --panel: #ffffff;
    --panel-muted: #f7f9fb;
    --text: #17212f;
    --muted: #637083;
    --line: #dbe3ea;
    --line-strong: #c6d1dc;
    --green: #23855a;
    --green-soft: #e5f4ec;
    --amber: #a76513;
    --amber-soft: #fff2d8;
    --red: #b3261e;
    --red-soft: #fde7e5;
    --blue: #246aa8;
    --blue-soft: #e6f0fa;
    --shadow: 0 14px 36px rgba(23, 33, 47, 0.08);
    --shadow-soft: 0 8px 20px rgba(23, 33, 47, 0.05);
}

* {
    box-sizing: border-box;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    line-height: 1.45;
    margin: 0;
}

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

.login-container {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin: 92px auto;
    padding: 28px;
    width: min(360px, calc(100vw - 32px));
}

.login-container h2 {
    font-size: 27px;
    letter-spacing: 0;
    margin: 0;
}

.login-container h3 {
    color: var(--muted);
    font-size: 15px;
    font-weight: 600;
    margin: 4px 0 22px;
}

.login-language {
    margin-bottom: 18px;
}

.login-container button {
    margin-top: 18px;
}

label {
    color: var(--text);
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin-top: 10px;
}

input {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    font: inherit;
    margin-top: 6px;
    width: 100%;
    padding: 10px 11px;
}

select {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    font: inherit;
    margin-top: 6px;
    width: 100%;
    padding: 10px 11px;
}

button {
    background: var(--green);
    border: 1px solid var(--green);
    border-radius: 8px;
    color: #ffffff;
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    min-height: 42px;
    width: 100%;
    padding: 10px 14px;
}

button:hover {
    background: #1e744e;
}

input:focus,
select:focus,
button:focus-visible {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(36, 106, 168, 0.16);
    outline: 0;
}

.app-shell {
    background: var(--bg);
    display: grid;
    grid-template-columns: 264px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--panel);
    border-right: 1px solid var(--line);
    padding: 24px 18px;
}

.brand {
    align-items: center;
    display: flex;
    gap: 12px;
    margin-bottom: 34px;
    padding: 0 4px;
}

.brand-mark {
    align-items: center;
    background: var(--green-soft);
    border: 1px solid #b8e4c9;
    border-radius: 8px;
    color: var(--green);
    display: inline-flex;
    font-weight: 700;
    height: 42px;
    justify-content: center;
    width: 42px;
}

.brand strong,
.brand span {
    display: block;
}

.brand span {
    color: var(--muted);
    font-size: 13px;
    margin-top: 3px;
}

.side-nav {
    display: grid;
    gap: 7px;
}

.side-nav a {
    border-radius: 8px;
    color: var(--text);
    font-weight: 700;
    padding: 12px 13px;
    text-decoration: none;
}

.side-nav a.active,
.side-nav a:hover {
    background: var(--green-soft);
    color: var(--green);
}

.main-content {
    padding: 30px 34px 44px;
}

.topbar {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 26px;
    gap: 18px;
}

.topbar h1 {
    font-size: 28px;
    letter-spacing: 0;
    margin: 0 0 6px;
}

.topbar p {
    color: var(--muted);
    margin: 0;
    max-width: 720px;
}

.user-badge {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    font-weight: 700;
    padding: 10px 14px;
    white-space: nowrap;
}

.top-actions {
    align-items: center;
    display: flex;
    gap: 10px;
}

.language-select {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    margin-top: 0;
    min-width: 118px;
    width: auto;
}

.patient-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
}

.patient-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 20px;
}

.patient-card:hover {
    border-color: var(--line-strong);
}

.patient-card-header {
    align-items: flex-start;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-bottom: 14px;
}

.patient-card h2 {
    font-size: 24px;
    letter-spacing: 0;
    margin: 4px 0;
}

.patient-card p {
    color: var(--muted);
    margin: 0;
    overflow-wrap: anywhere;
}

.bed-label {
    color: var(--blue);
    font-size: 14px;
    font-weight: 700;
}

.device-chip {
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
    padding: 6px 10px;
    white-space: nowrap;
}

.status-online {
    background: var(--green-soft);
    color: var(--green);
}

.status-stale {
    background: var(--amber-soft);
    color: var(--amber);
}

.status-low {
    background: var(--red-soft);
    color: var(--red);
}

.device-row {
    border-bottom: 1px solid var(--line);
    border-top: 1px solid var(--line);
    color: var(--muted);
    display: flex;
    flex-wrap: wrap;
    font-size: 14px;
    gap: 8px 20px;
    padding: 11px 0;
}

.metric-grid {
    display: grid;
    gap: 0 20px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 14px;
}

.metric {
    border-bottom: 1px solid var(--line);
    min-height: 82px;
    padding: 13px 0;
}

.metric span,
.metric small {
    color: var(--muted);
    display: block;
}

.metric strong {
    display: block;
    font-size: 26px;
    letter-spacing: 0;
    line-height: 1.1;
    margin: 5px 0;
}

.patient-card-footer {
    color: var(--muted);
    display: flex;
    font-size: 13px;
    flex-wrap: wrap;
    gap: 8px 14px;
    justify-content: space-between;
    padding-top: 12px;
}

.settings-panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 26px;
    padding: 20px;
}

.settings-panel.attention {
    animation: panel-attention 1.2s ease-out;
}

.settings-panel h2 {
    font-size: 21px;
    letter-spacing: 0;
    margin: 0 0 14px;
}

.settings-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(2, minmax(260px, 1fr));
}

.setting-row {
    align-items: center;
    display: flex;
    gap: 16px;
    justify-content: space-between;
}

.setting-row span,
.setting-field span {
    color: var(--muted);
    display: block;
    font-size: 13px;
    margin-bottom: 4px;
}

.setting-row strong {
    display: block;
    font-size: 18px;
}

.secondary-button {
    background: var(--panel);
    border: 1px solid var(--line);
    color: var(--text);
    width: auto;
}

.secondary-button:hover {
    background: var(--panel-muted);
}

.parameter-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(3, minmax(140px, 1fr)) 160px;
    align-items: end;
}

.parameter-grid button {
    margin-top: 0;
}

.option-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(2, minmax(240px, 1fr));
}

.option-grid button {
    justify-self: start;
    width: auto;
}

.toggle-row {
    align-items: center;
    background: var(--panel-muted);
    border: 1px solid var(--line);
    border-radius: 8px;
    cursor: pointer;
    display: grid;
    gap: 12px;
    grid-template-columns: auto 1fr;
    padding: 14px;
}

.toggle-row input {
    height: 20px;
    margin: 0;
    width: 20px;
}

.toggle-row strong,
.toggle-row small {
    display: block;
}

.toggle-row small {
    color: var(--muted);
    margin-top: 3px;
}

.form-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(3, minmax(150px, 1fr));
    align-items: end;
}

.form-grid button {
    margin-top: 0;
}

.inline-form {
    align-items: end;
    display: grid;
    gap: 14px;
    grid-template-columns: minmax(220px, 360px) 160px;
}

.inline-form button {
    margin-top: 0;
}

.status {
    color: var(--green);
    font-weight: 700;
    margin-top: 10px;
}

.table-section {
    margin-bottom: 26px;
}

.section-heading {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 16px;
}

.section-heading h2 {
    font-size: 21px;
    letter-spacing: 0;
    margin: 0;
}

.section-heading span {
    color: var(--muted);
}

.table-badge {
    background: var(--green-soft);
    border-radius: 999px;
    color: var(--green);
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    padding: 5px 10px;
}

.empty-cell {
    color: var(--muted);
    padding: 24px 14px;
    text-align: center;
}

.table-action {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    color: var(--text);
    cursor: pointer;
    font-weight: 700;
    min-height: 36px;
    padding: 7px 12px;
    width: auto;
}

.table-action:hover {
    background: var(--panel-muted);
}

.table-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.table-action.danger {
    border-color: #f4b8b1;
    color: var(--red);
}

.table-action.danger:hover {
    background: var(--red-soft);
}

.modal-backdrop {
    align-items: flex-start;
    background: rgba(23, 33, 47, 0.38);
    display: flex;
    inset: 0;
    justify-content: center;
    overflow-y: auto;
    padding: 44px 20px;
    position: fixed;
    z-index: 20;
}

.modal-backdrop[hidden] {
    display: none;
}

.modal {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 22px 56px rgba(23, 33, 47, 0.22);
    max-width: 860px;
    padding: 20px;
    width: 100%;
}

.modal-header {
    align-items: flex-start;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-bottom: 16px;
}

.modal-header h2 {
    font-size: 22px;
    margin: 0 0 4px;
}

.modal-header p {
    color: var(--muted);
    margin: 0;
}

.icon-button {
    align-items: center;
    background: var(--panel);
    border: 1px solid var(--line);
    color: var(--text);
    display: inline-flex;
    flex: 0 0 auto;
    font-weight: 800;
    height: 38px;
    justify-content: center;
    min-height: 38px;
    padding: 0;
    width: 38px;
}

.icon-button:hover {
    background: var(--panel-muted);
}

.clinical-bp-form {
    align-items: end;
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(3, minmax(120px, 1fr)) 140px;
    margin-bottom: 6px;
}

.clinical-bp-form button {
    margin-top: 0;
}

.clinical-bp-layout {
    align-items: start;
    display: grid;
    gap: 20px;
    grid-template-columns: minmax(280px, 360px) 1fr;
}

.assignment-layout {
    align-items: start;
    display: grid;
    gap: 20px;
    grid-template-columns: minmax(260px, 1fr) minmax(240px, 320px) minmax(260px, 1fr);
}

.assignment-picker-panel {
    min-width: 0;
}

.pairing-panel {
    position: sticky;
    top: 24px;
}

.pairing-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 14px;
    margin-bottom: 16px;
    padding: 14px;
}

.pairing-card span,
.pairing-card small {
    color: var(--muted);
    display: block;
}

.pairing-card strong {
    display: block;
    margin: 4px 0;
    overflow-wrap: anywhere;
}

.pairing-arrow {
    align-items: center;
    background: var(--green-soft);
    border-radius: 999px;
    color: var(--green);
    display: inline-flex;
    font-size: 20px;
    font-weight: 800;
    height: 34px;
    justify-content: center;
    justify-self: center;
    width: 34px;
}

.patient-picker-panel {
    position: sticky;
    top: 24px;
}

.patient-picker {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

.patient-picker-button {
    background: var(--panel);
    border: 1px solid var(--line);
    color: var(--text);
    display: grid;
    gap: 4px;
    justify-items: start;
    min-height: 0;
    padding: 12px;
    text-align: left;
}

.patient-picker-button:hover,
.patient-picker-button.active {
    background: var(--green-soft);
    border-color: #b8e4c9;
    color: var(--text);
}

.patient-picker-button span {
    color: var(--muted);
    font-size: 13px;
}

.empty-state {
    color: var(--muted);
    padding: 18px 0;
}

.modal-section {
    margin-top: 18px;
}

table {
    background: var(--panel);
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    width: 100%;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 12px 14px;
    text-align: left;
    vertical-align: middle;
}

th {
    background-color: var(--panel-muted);
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
}

tbody tr:hover td {
    background: #fbfcfd;
}

tbody tr:last-child td {
    border-bottom: 0;
}

.error {
    color: var(--red);
    margin-top: 10px;
}

@keyframes panel-attention {
    0% {
        border-color: var(--green);
        box-shadow: 0 0 0 4px rgba(46, 155, 99, 0.18), var(--shadow);
    }

    100% {
        border-color: var(--line);
        box-shadow: var(--shadow);
    }
}

@media (max-width: 860px) {
    .app-shell {
        display: block;
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-bottom: 1px solid var(--line);
        border-right: 0;
        padding: 16px;
    }

    .brand {
        margin-bottom: 16px;
        padding: 0;
    }

    .side-nav {
        display: flex;
        gap: 8px;
        margin: 0 -16px;
        overflow-x: auto;
        padding: 0 16px 2px;
        scrollbar-width: thin;
    }

    .side-nav a {
        flex: 0 0 auto;
        min-height: 42px;
        white-space: nowrap;
    }

    .main-content {
        padding: 20px 16px 28px;
    }

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

    .top-actions {
        width: 100%;
    }

    .language-select {
        flex: 1;
    }

    .form-grid,
    .assignment-layout,
    .clinical-bp-form,
    .clinical-bp-layout,
    .inline-form,
    .option-grid,
    .parameter-grid,
    .settings-grid,
    .patient-grid {
        grid-template-columns: 1fr;
    }

    .patient-picker-panel {
        position: static;
    }

    .pairing-panel {
        order: 3;
        position: static;
    }

    input,
    select,
    button {
        font-size: 16px;
        min-height: 44px;
    }

    .settings-panel,
    .patient-card {
        padding: 16px;
    }

    .patient-card-header {
        gap: 10px;
    }

    .patient-card h2 {
        font-size: 22px;
    }

    .metric strong {
        font-size: 24px;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

@media (max-width: 520px) {
    .login-container {
        margin: 32px auto;
        padding: 20px;
    }

    .brand strong {
        font-size: 15px;
    }

    .brand span {
        font-size: 12px;
    }

    .topbar h1 {
        font-size: 24px;
    }

    .topbar p {
        font-size: 14px;
    }

    .top-actions {
        align-items: stretch;
        display: grid;
        grid-template-columns: 1fr auto;
    }

    .language-select {
        min-width: 0;
        width: 100%;
    }

    .user-badge {
        align-items: center;
        display: inline-flex;
        justify-content: center;
    }

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

    .device-chip {
        align-self: flex-start;
    }

    .device-row {
        display: grid;
        gap: 6px;
    }

    .metric-grid {
        gap: 0;
        grid-template-columns: 1fr;
    }

    .patient-card-footer {
        display: grid;
    }

    .modal-backdrop {
        padding: 18px 12px;
    }

    .modal {
        padding: 16px;
    }

    .modal-header {
        gap: 10px;
    }

    th,
    td {
        padding: 11px 12px;
    }
}