:root {
    --bg-start: #f4f8ff;
    --bg-end: #e9f3f2;
    --surface: #ffffff;
    --surface-soft: #f7fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --stroke: #dbe4ee;
    --accent: #0a84ff;
    --accent-strong: #0065d1;
    --success: #148a59;
    --danger: #c23030;
    --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.08);
    --shadow-card: 0 2px 10px rgba(15, 23, 42, 0.06);
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
    background: linear-gradient(155deg, var(--bg-start), var(--bg-end));
}

body {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
}

.toolbar.ios-topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-3);
    padding: 14px var(--space-4) 12px;
    background: color-mix(in srgb, var(--surface) 78%, transparent);
    backdrop-filter: saturate(160%) blur(16px);
    border-bottom: 1px solid color-mix(in srgb, var(--stroke) 78%, transparent);
}

.toolbar.ios-topbar h1 {
    margin: 0;
    font-size: 21px;
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--text-main);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.toolbar.ios-topbar .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--stroke);
    background: var(--surface);
    color: var(--accent-strong);
    line-height: 38px;
    font-size: 15px;
    font-weight: 600;
}

.topbar-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
}

.button-refresh {
    appearance: none;
    cursor: pointer;
}

.button-refresh:disabled {
    opacity: 0.7;
    cursor: wait;
}

.app-shell {
    width: min(760px, 100%);
    margin: 0 auto;
    padding: var(--space-4) var(--space-4) calc(var(--space-5) + env(safe-area-inset-bottom));
}

.pull-refresh {
    --pull-distance: 0px;
    position: sticky;
    top: 66px;
    z-index: 9;
    width: fit-content;
    margin: 0 auto;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--stroke) 84%, transparent);
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    transform: translateY(calc(-100% + min(var(--pull-distance), 56px)));
    transition: opacity 0.18s ease, transform 0.18s ease, color 0.18s ease;
}

.pull-refresh.is-visible {
    opacity: 1;
}

.pull-refresh.is-ready,
.pull-refresh.is-refreshing {
    color: var(--accent-strong);
}

.pull-refresh.is-refreshing {
    opacity: 1;
    transform: translateY(0);
}

.pull-refresh-spinner {
    width: 14px;
    height: 14px;
    border-radius: 999px;
    border: 2px solid color-mix(in srgb, var(--accent) 28%, #fff);
    border-top-color: var(--accent-strong);
    flex: 0 0 auto;
}

.pull-refresh.is-ready .pull-refresh-spinner,
.pull-refresh.is-refreshing .pull-refresh-spinner {
    animation: spin 0.9s linear infinite;
}

.status-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    animation: rise-in 0.5s ease both;
}

.status-item {
    min-width: 0;
}

.status-label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.status-item strong {
    font-size: 17px;
    letter-spacing: -0.01em;
    word-break: break-word;
}

.status-with-icon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.flame-icon {
    position: relative;
    width: 14px;
    height: 18px;
    display: inline-block;
    border-radius: 70% 70% 70% 70% / 85% 85% 45% 45%;
    background: linear-gradient(180deg, #ffca5f 0%, #ff8a00 55%, #e14a00 100%);
    transform: rotate(-8deg);
    box-shadow: 0 0 12px rgba(255, 138, 0, 0.28);
    animation: flame-flicker 1.15s ease-in-out infinite;
}

.flame-icon::before {
    content: '';
    position: absolute;
    left: 3px;
    top: -3px;
    width: 8px;
    height: 11px;
    border-radius: 70% 70% 70% 70% / 85% 85% 45% 45%;
    background: linear-gradient(180deg, #fff2b2 0%, #ffd46e 100%);
    transform: rotate(12deg);
}

.flame-core {
    position: absolute;
    left: 5px;
    top: 6px;
    width: 4px;
    height: 6px;
    border-radius: 70% 70% 70% 70% / 85% 85% 45% 45%;
    background: rgba(255, 248, 224, 0.9);
}

.pull-refresh-label {
    white-space: nowrap;
}

.kpi-grid {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.kpi-pill {
    border: 1px solid var(--stroke);
    background: var(--surface-soft);
    border-radius: 12px;
    padding: 10px;
}

.kpi-label {
    display: block;
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.kpi-pill strong {
    font-size: 16px;
    color: var(--text-main);
}

.kpi-state {
    display: inline-flex;
    margin-top: 8px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.kpi-pill.kpi-low {
    border-color: color-mix(in srgb, var(--success) 35%, var(--stroke));
    background: color-mix(in srgb, var(--success) 8%, var(--surface-soft));
}

.kpi-pill.kpi-low .kpi-state {
    background: color-mix(in srgb, var(--success) 18%, #fff);
    color: #106740;
}

.kpi-pill.kpi-medium {
    border-color: color-mix(in srgb, #c98f00 45%, var(--stroke));
    background: color-mix(in srgb, #ffc83d 12%, var(--surface-soft));
}

.kpi-pill.kpi-medium .kpi-state {
    background: color-mix(in srgb, #ffcf5e 24%, #fff);
    color: #7a5700;
}

.kpi-pill.kpi-high {
    border-color: color-mix(in srgb, var(--danger) 45%, var(--stroke));
    background: color-mix(in srgb, var(--danger) 9%, var(--surface-soft));
}

.kpi-pill.kpi-high .kpi-state {
    background: color-mix(in srgb, var(--danger) 18%, #fff);
    color: #8b2424;
}

.kpi-pill.trend-up {
    border-color: color-mix(in srgb, #e48a00 45%, var(--stroke));
    background: color-mix(in srgb, #ffb347 14%, var(--surface-soft));
}

.kpi-pill.trend-up .kpi-state {
    background: color-mix(in srgb, #ffb347 24%, #fff);
    color: #8c5200;
}

.kpi-pill.trend-down {
    border-color: color-mix(in srgb, var(--success) 40%, var(--stroke));
    background: color-mix(in srgb, var(--success) 12%, var(--surface-soft));
}

.kpi-pill.trend-down .kpi-state {
    background: color-mix(in srgb, var(--success) 22%, #fff);
    color: #0f6b45;
}

.kpi-pill.trend-stable {
    border-color: color-mix(in srgb, #8393a8 45%, var(--stroke));
    background: color-mix(in srgb, #b8c3d4 20%, var(--surface-soft));
}

.kpi-pill.trend-stable .kpi-state {
    background: color-mix(in srgb, #b8c3d4 26%, #fff);
    color: #3f5168;
}

.kpi-pill.sparkline-card {
    grid-column: 1 / -1;
    color: #1f4f9a;
    background: linear-gradient(180deg, #edf5ff, #e6f1ff);
    border-color: #bed4f4;
}

.sparkline {
    display: block;
    width: 100%;
    height: 56px;
    margin-top: 6px;
}

.sparkline polyline {
    color: #2d6fcc;
}

.sparkline circle {
    fill: #0a84ff;
}

.sparkline-scale {
    margin-top: 8px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-size: 11px;
    color: #456189;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.sparkline-empty {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.status-live strong {
    color: var(--accent-strong);
}

.inline-success {
    margin-bottom: var(--space-3);
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, var(--success) 35%, var(--stroke));
    background: color-mix(in srgb, var(--success) 10%, #fff);
    color: #0f6b45;
    font-size: 14px;
    font-weight: 600;
}

.section-note {
    margin: 0 0 var(--space-3);
    color: var(--text-muted);
    font-size: 14px;
}

.quick-nav {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding: var(--space-2);
    border-radius: 999px;
    background: var(--surface-soft);
    border: 1px solid var(--stroke);
}

.quick-nav .seg-btn {
    text-align: center;
    text-decoration: none;
    min-height: 40px;
    line-height: 40px;
    border-radius: 999px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 700;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.quick-nav .seg-btn.active {
    color: var(--accent-strong);
    background: var(--surface);
    box-shadow: var(--shadow-card);
}

.panel.ios-panel {
    display: none;
    background: transparent;
    border: 0;
    box-shadow: none;
    margin: 0;
    padding: 0;
    animation: panel-fade 0.28s ease both;
}

.panel.ios-panel.is-visible {
    display: block;
}

.panel.ios-panel .card {
    transition: transform 0.28s ease, opacity 0.28s ease;
}

.panel.ios-panel.is-visible .card {
    transform: translateY(0);
    opacity: 1;
}

.panel-heading {
    margin: 0 0 var(--space-3);
}

.panel-heading h2 {
    margin: 0;
    font-size: 28px;
    letter-spacing: -0.03em;
}

.panel-heading p {
    margin: var(--space-1) 0 0;
    color: var(--text-muted);
    font-size: 14px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--stroke);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    transform: translateY(8px);
    opacity: 0.98;
}

.panel.ios-panel fieldset {
    margin: 0;
    padding: 0;
    border: 0;
}

.panel.ios-panel .row {
    display: block;
    padding: var(--space-2) 0;
    border: 0;
}

.panel.ios-panel .row label {
    display: block;
    margin: 0 0 var(--space-2);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.panel.ios-panel input[type="text"],
.panel.ios-panel input[type="number"],
.panel.ios-panel input[type="date"],
.panel.ios-panel select {
    width: 100%;
    min-height: 48px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--stroke);
    background: var(--surface-soft);
    padding: 0 14px;
    font-size: 16px;
    color: var(--text-main);
    appearance: none;
}

.panel.ios-panel input[type="text"]:focus,
.panel.ios-panel input[type="number"]:focus,
.panel.ios-panel input[type="date"]:focus,
.panel.ios-panel select:focus {
    outline: none;
    border-color: color-mix(in srgb, var(--accent) 55%, var(--stroke));
    box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.12);
}

input.whiteButton,
a.whiteButton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    border-radius: 14px;
    border: 0;
    background: linear-gradient(180deg, var(--accent), var(--accent-strong));
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    padding: 0 16px;
    box-shadow: 0 6px 14px rgba(10, 132, 255, 0.35);
}

input.whiteButton[disabled] {
    opacity: 0.45;
    box-shadow: none;
}

.inline-error {
    margin-bottom: var(--space-2);
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--stroke));
    background: color-mix(in srgb, var(--danger) 8%, #fff);
    color: #8f1f1f;
    font-size: 14px;
    font-weight: 600;
}

.inline-note {
    margin-bottom: var(--space-2);
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, #c98f00 35%, var(--stroke));
    background: color-mix(in srgb, #ffc83d 10%, #fff);
    color: #6f5400;
    font-size: 14px;
    font-weight: 600;
}

.table-card {
    overflow: hidden;
}

.table-card h3 {
    margin: 0 0 12px;
    font-size: 17px;
    letter-spacing: -0.01em;
}

.stats-filter-form {
    display: grid;
    gap: var(--space-3);
}

.stats-filter-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
}

.stats-period-label {
    margin-top: var(--space-3);
}

.stats-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
}

.stats-big-number {
    display: block;
    font-size: 28px;
    letter-spacing: -0.04em;
    margin-bottom: 8px;
}

.stats-delta-up {
    background: color-mix(in srgb, #ffb347 24%, #fff);
    color: #8c5200;
}

.stats-delta-down {
    background: color-mix(in srgb, var(--success) 22%, #fff);
    color: #0f6b45;
}

.stats-delta-flat {
    background: color-mix(in srgb, #b8c3d4 26%, #fff);
    color: #3f5168;
}

.stats-chart-card {
    overflow: hidden;
}

.stats-chart-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.stats-chart-header h3 {
    margin: 0 0 6px;
    font-size: 18px;
    letter-spacing: -0.02em;
}

.stats-comparison {
    min-width: 148px;
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px solid #bed4f4;
    background: linear-gradient(180deg, #edf5ff, #e6f1ff);
    color: #1f4f9a;
}

.stats-comparison span,
.stats-comparison small {
    display: block;
}

.stats-comparison span,
.stats-comparison small {
    color: #456189;
}

.stats-comparison strong {
    display: block;
    margin: 4px 0;
    font-size: 20px;
    letter-spacing: -0.03em;
}

.stats-chart-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
}

.stats-chart {
    display: block;
    width: auto;
    min-width: 0;
    height: 240px;
}

.stats-chart line {
    stroke: color-mix(in srgb, var(--stroke) 90%, #fff);
    stroke-width: 1;
}

.stats-chart text {
    fill: var(--text-muted);
    font-size: 11px;
}

.stats-bar {
    fill: #0a84ff;
}

.stats-x-label {
    text-anchor: middle;
}

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table.minimalistBlack {
    width: 100%;
    border-collapse: collapse;
    border: 0;
}

table.minimalistBlack thead {
    background: transparent;
    border-bottom: 1px solid var(--stroke);
}

table.minimalistBlack th,
table.minimalistBlack td {
    border: 0;
    border-bottom: 1px solid var(--stroke);
    text-align: left;
    vertical-align: top;
    padding: 10px 8px;
    font-size: 14px;
}

table.minimalistBlack th {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

/* Compact, classic grid table for history view. */
.history-table-card {
    overflow: hidden;
}

.history-table-wrap {
    overflow-x: auto;
}

table.minimalistBlack.history-table {
    min-width: 760px;
}

table.minimalistBlack.history-table th,
table.minimalistBlack.history-table td {
    padding: 8px 6px;
    font-size: 13px;
    line-height: 1.3;
    white-space: nowrap;
}

table.minimalistBlack.history-table td:nth-child(5),
table.minimalistBlack.history-table td:nth-child(6) {
    white-space: normal;
    min-width: 220px;
}

.quick-add {
    margin-bottom: var(--space-3);
}

@keyframes panel-fade {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes flame-flicker {
    0% {
        transform: rotate(-10deg) scale(0.98);
    }
    50% {
        transform: rotate(-4deg) scale(1.06);
    }
    100% {
        transform: rotate(-9deg) scale(0.99);
    }
}

@media (max-width: 640px) {
    .quick-nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        border-radius: 20px;
    }

    .status-strip {
        grid-template-columns: 1fr;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .stats-filter-grid,
    .stats-summary-grid {
        grid-template-columns: 1fr;
    }

    .stats-chart-header {
        flex-direction: column;
    }

    .stats-chart-card {
        padding-left: 12px;
        padding-right: 12px;
    }

    .stats-chart-wrap {
        overflow: hidden;
    }

    .stats-chart {
        width: 100% !important;
        height: 220px;
    }

    .stats-chart text {
        font-size: 10px;
    }

    .table-wrap {
        overflow: visible;
    }

    table.minimalistBlack thead {
        display: none;
    }

    table.minimalistBlack,
    table.minimalistBlack tbody,
    table.minimalistBlack tr,
    table.minimalistBlack td {
        display: block;
        width: 100%;
    }

    table.minimalistBlack tr {
        border: 1px solid var(--stroke);
        border-radius: 14px;
        background: var(--surface-soft);
        margin-bottom: var(--space-3);
        padding: var(--space-2);
    }

    table.minimalistBlack td {
        border: 0;
        padding: 6px 8px;
    }

    table.minimalistBlack td::before {
        content: attr(data-label);
        display: block;
        font-size: 11px;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--text-muted);
        margin-bottom: 2px;
        font-weight: 700;
    }

    .history-table-wrap {
        overflow-x: auto;
    }

    table.minimalistBlack.history-table thead {
        display: table-header-group;
        border-bottom: 1px solid var(--stroke);
    }

    table.minimalistBlack.history-table,
    table.minimalistBlack.history-table tbody,
    table.minimalistBlack.history-table tr,
    table.minimalistBlack.history-table td {
        display: table;
        width: auto;
    }

    table.minimalistBlack.history-table {
        width: max-content;
        min-width: 760px;
        border-collapse: collapse;
    }

    table.minimalistBlack.history-table tbody {
        display: table-row-group;
    }

    table.minimalistBlack.history-table tr {
        display: table-row;
        border: 0;
        border-radius: 0;
        background: transparent;
        margin-bottom: 0;
        padding: 0;
    }

    table.minimalistBlack.history-table td {
        display: table-cell;
        border: 0;
        border-bottom: 1px solid var(--stroke);
        padding: 8px 6px;
        font-size: 13px;
    }

    table.minimalistBlack.history-table td::before {
        content: none;
        display: none;
    }
}

@media (min-width: 900px) {
    .app-shell {
        padding-top: var(--space-5);
    }

    .panel-heading h2 {
        font-size: 32px;
    }
}