:root {
    --bg: #09131f;
    --bg-soft: #10253a;
    --surface: rgba(242, 249, 255, 0.16);
    --surface-strong: rgba(255, 255, 255, 0.24);
    --surface-border: rgba(255, 255, 255, 0.26);
    --text: #eff7ff;
    --muted: rgba(239, 247, 255, 0.72);
    --shadow: 0 24px 70px rgba(4, 18, 31, 0.35);
    --primary: #8be4ff;
    --primary-strong: #3cc7ff;
    --accent: #8bffcf;
    --warm: #ffbf8d;
    --danger: #ff8f8f;
    --good: #7ff3bb;
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 18px;
    --radius-sm: 14px;
    --panel-blur: 28px;
    --font-ui: "SF Pro Display", "Avenir Next", "Segoe UI Variable", "Helvetica Neue", system-ui, sans-serif;
    --track-accent: rgba(139, 228, 255, 0.34);
    --track-surface: rgba(255, 255, 255, 0.08);
    --track-glow: rgba(139, 228, 255, 0.18);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    color-scheme: dark;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-ui);
    background:
        radial-gradient(circle at 18% 18%, rgba(76, 171, 255, 0.24), transparent 34%),
        radial-gradient(circle at 82% 12%, rgba(113, 255, 210, 0.18), transparent 28%),
        linear-gradient(145deg, #07111b 0%, #0b1e2e 35%, #13273b 65%, #08111b 100%);
    color: var(--text);
}

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

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

button {
    cursor: pointer;
}

.aurora {
    position: fixed;
    inset: auto;
    z-index: 0;
    border-radius: 999px;
    pointer-events: none;
    filter: blur(24px);
    opacity: 0.65;
}

.aurora-one {
    top: 5rem;
    right: 8vw;
    width: 18rem;
    height: 18rem;
    background: radial-gradient(circle, rgba(90, 196, 255, 0.44), transparent 70%);
}

.aurora-two {
    bottom: 8vh;
    left: 8vw;
    width: 22rem;
    height: 22rem;
    background: radial-gradient(circle, rgba(149, 255, 214, 0.34), transparent 70%);
}

.shell {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    min-height: 100vh;
    gap: 1.25rem;
    padding: 1.25rem;
}

.sidebar,
.topbar,
.glass-panel {
    border: 1px solid var(--surface-border);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.08)),
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.2), transparent 48%);
    backdrop-filter: blur(var(--panel-blur)) saturate(150%);
    -webkit-backdrop-filter: blur(var(--panel-blur)) saturate(150%);
    box-shadow: var(--shadow);
}

.sidebar {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 1.35rem;
    border-radius: var(--radius-xl);
    min-height: calc(100vh - 2.5rem);
    position: sticky;
    top: 1.25rem;
}

.content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.2rem;
    border-radius: var(--radius-lg);
}

.topbar__meta {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.meta-pill,
.chart-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.48rem 0.8rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: var(--muted);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.88rem;
    letter-spacing: 0.01em;
}

.meta-pill--button {
    cursor: pointer;
}

.topbar-date-form {
    display: inline-flex;
}

.topbar-date-input {
    width: auto;
    min-height: 2.2rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 0.45rem 0.9rem;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
}

.chart-chip--warm {
    background: rgba(255, 173, 124, 0.12);
}

.chart-chip--cool {
    background: rgba(118, 228, 255, 0.12);
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 0.95rem;
}

.brand-mark {
    width: 3rem;
    height: 3rem;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(146, 232, 255, 0.9), rgba(95, 181, 255, 0.55));
    color: #032338;
    font-size: 1.25rem;
    font-weight: 800;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.35);
}

.brand-block h1,
.topbar h2,
.hero-card h3,
.section-head h3,
.detail-card h3,
.auth-card h1 {
    margin: 0;
    line-height: 1.1;
}

.brand-block h1 {
    font-size: 1.3rem;
}

.eyebrow {
    margin: 0 0 0.28rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(239, 247, 255, 0.62);
    font-size: 0.74rem;
}

.main-nav {
    display: grid;
    gap: 0.55rem;
    margin-top: 2rem;
}

.main-nav a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.9rem 1rem;
    border-radius: 18px;
    color: var(--muted);
    transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.main-nav a:hover,
.main-nav a.active {
    background: rgba(255, 255, 255, 0.13);
    color: var(--text);
    transform: translateX(2px);
}

.sidebar-footer {
    display: grid;
    gap: 0.85rem;
    margin-top: auto;
    padding-top: 1.2rem;
}

.nav-icon {
    width: 1.1rem;
    height: 1.1rem;
    opacity: 0.9;
}

.user-chip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.1);
}

.user-chip__name {
    font-weight: 700;
}

.user-chip__role {
    font-size: 0.88rem;
    color: var(--muted);
}

.flash {
    padding: 0.92rem 1.1rem;
    border-radius: var(--radius-md);
}

.flash-success {
    border-color: rgba(127, 243, 187, 0.35);
}

.flash-error {
    border-color: rgba(255, 143, 143, 0.38);
}

.hero-grid,
.stats-grid,
.dashboard-grid,
.page-grid,
.field-grid,
.band-grid {
    display: grid;
    gap: 1rem;
}

.hero-grid {
    grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.8fr);
}

.hero-card,
.metric-card,
.chart-card,
.form-panel,
.detail-card,
.info-card,
.preview-card,
.archive-list,
.auth-card {
    padding: 1.25rem;
    border-radius: var(--radius-xl);
}

.hero-card {
    position: relative;
    overflow: hidden;
}

.hero-card::after {
    content: "";
    position: absolute;
    inset: auto -10% -45% auto;
    width: 15rem;
    height: 15rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 64%);
}

.hero-card--wide {
    padding: 1.6rem;
}

.hero-copy,
.auth-copy,
.helper-text,
.detail-card p,
.info-card p {
    color: var(--muted);
    line-height: 1.6;
}

.hero-score {
    font-size: clamp(2.5rem, 4vw, 4rem);
    font-weight: 800;
    line-height: 1;
    margin-top: 0.55rem;
}

.hero-label {
    margin: 0.45rem 0 0;
    color: var(--text);
    font-size: 1.03rem;
}

.stats-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.metric-card {
    display: grid;
    gap: 0.35rem;
}

.metric-card span {
    color: var(--muted);
}

.metric-card strong {
    font-size: 1.8rem;
}

.dashboard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.chart-card--calendar,
.chart-card--wide,
.form-panel--wide {
    grid-column: 1 / -1;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.calendar-heatmap {
    min-height: 16rem;
    overflow-x: auto;
}

.calendar-legend {
    display: flex;
    justify-content: flex-end;
    gap: 0.45rem;
    margin-top: 1rem;
    color: var(--muted);
    font-size: 0.82rem;
}

.calendar-scale {
    display: flex;
    gap: 0.32rem;
}

.calendar-dot {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 6px;
    background: rgba(132, 193, 208, 0.55);
}

.calendar-dot--bad {
    background: rgba(255, 117, 117, 0.85);
}

.calendar-dot--warn {
    background: rgba(255, 171, 122, 0.82);
}

.calendar-dot--1 {
    background: rgba(116, 226, 183, 0.7);
}

.calendar-dot--2 {
    background: rgba(126, 239, 205, 0.56);
}

.calendar-dot--3 {
    background: rgba(126, 239, 205, 0.82);
}

.calendar-svg,
.line-chart svg {
    width: 100%;
    height: auto;
    display: block;
}

.calendar-tooltip {
    fill: var(--muted);
    font-size: 11px;
}

.calendar-link {
    cursor: pointer;
}

.calendar-cell--active {
    transition: transform 140ms ease, filter 140ms ease, stroke 140ms ease, stroke-width 140ms ease;
    transform-box: fill-box;
    transform-origin: center;
}

.calendar-link:hover .calendar-cell--active,
.calendar-link:focus .calendar-cell--active,
.calendar-link:focus-visible .calendar-cell--active {
    filter: brightness(1.08);
    stroke: rgba(255, 255, 255, 0.8);
    stroke-width: 1.1;
}

.line-chart,
.bar-chart {
    min-height: 17rem;
}

.line-chart svg {
    overflow: visible;
}

.line-fill {
    opacity: 0.12;
}

.line-stroke {
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 3;
}

.line-point {
    stroke: rgba(7, 17, 27, 0.9);
    stroke-width: 1.5;
}

.chart-axis {
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 1;
}

.chart-label {
    fill: rgba(239, 247, 255, 0.65);
    font-size: 11px;
}

.bar-chart svg {
    width: 100%;
    height: auto;
    display: block;
}

.bar-grid {
    fill: rgba(255, 255, 255, 0.08);
}

.bar-segment--sport {
    fill: rgba(87, 214, 255, 0.88);
}

.bar-segment--walk {
    fill: rgba(138, 255, 198, 0.82);
}

.bar-label {
    fill: rgba(239, 247, 255, 0.62);
    font-size: 11px;
}

.bar-value {
    fill: rgba(239, 247, 255, 0.82);
    font-size: 10px;
    text-anchor: middle;
}

.page-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.8fr);
    align-items: start;
}

.stack-column,
.stack-form {
    display: grid;
    gap: 1rem;
}

.stack-form--spacious {
    gap: 1.4rem;
}

.tracker-form,
.settings-section {
    display: grid;
    gap: 1rem;
}

.section-head__actions {
    display: flex;
    gap: 0.7rem;
    align-items: center;
    flex-wrap: wrap;
}

.field-grid--single {
    grid-template-columns: 1fr;
}

.field-grid--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field-grid--four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

label {
    display: grid;
    gap: 0.55rem;
    color: var(--muted);
}

label span {
    font-size: 0.93rem;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.09);
    color: var(--text);
    padding: 0.9rem 1rem;
    outline: none;
    transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(139, 228, 255, 0.5);
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
}

textarea {
    resize: vertical;
    min-height: 11rem;
}

input[type="range"] {
    width: 100%;
    accent-color: var(--primary-strong);
}

.range-card {
    padding: 1rem;
    border-radius: var(--radius-md);
    background: var(--track-surface);
    border: 1px solid var(--track-accent);
    transition: border-color 220ms ease, background 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.range-card output {
    font-size: 1.7rem;
    color: var(--text);
    font-weight: 700;
}

.preview-card {
    position: relative;
    overflow: hidden;
    border-color: var(--track-accent);
    box-shadow: 0 24px 70px rgba(4, 18, 31, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.preview-card::before {
    content: "";
    position: absolute;
    inset: auto -12% -25% auto;
    width: 14rem;
    height: 14rem;
    border-radius: 50%;
    background: radial-gradient(circle, var(--track-glow), transparent 70%);
    pointer-events: none;
    transition: background 220ms ease, transform 220ms ease;
}

.preview-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.preview-status__icon {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 20px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.preview-status__icon img {
    width: 2.3rem;
    height: 2.3rem;
}

.preview-status__label {
    margin: 0;
    font-size: 1.55rem;
    font-weight: 750;
}

.preview-scoreline {
    margin: 0 0 1rem;
    color: var(--muted);
    font-size: 0.95rem;
}

.preview-scoreline span {
    color: var(--text);
    font-size: 1.2rem;
    font-weight: 700;
}

.component-list,
.detail-grid {
    display: grid;
    gap: 0.75rem;
}

.component-list div,
.detail-grid div,
.user-row {
    display: flex;
    justify-content: space-between;
    gap: 0.85rem;
    padding: 0.85rem 0.95rem;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.08);
}

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

.component-list dd,
.detail-grid dd {
    margin: 0;
    font-weight: 700;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.primary-button,
.ghost-button,
.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.75rem 1.2rem;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.primary-button,
.button-link {
    color: #092033;
    font-weight: 700;
    background: linear-gradient(180deg, rgba(164, 239, 255, 0.98), rgba(95, 198, 255, 0.78));
    box-shadow: 0 16px 30px rgba(59, 167, 230, 0.28);
}

.primary-button:hover,
.ghost-button:hover,
.button-link:hover {
    transform: translateY(-1px);
}

.ghost-button,
.ghost-link {
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.08);
}

.ghost-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
}

.archive-items,
.user-list {
    display: grid;
    gap: 0.75rem;
}

.archive-item {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    padding: 1rem 1.05rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid transparent;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.archive-item span {
    display: block;
    color: var(--muted);
    margin-top: 0.2rem;
}

.archive-item:hover,
.archive-item.active {
    transform: translateY(-1px);
    border-color: rgba(139, 228, 255, 0.34);
    background: rgba(255, 255, 255, 0.12);
}

.archive-item__meta {
    text-align: right;
}

.archive-item__actions {
    display: flex;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.archive-action {
    min-height: 2.4rem;
    padding-inline: 0.85rem;
}

.note-box {
    padding: 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
}

.note-box h4 {
    margin: 0 0 0.55rem;
}

.empty-state {
    color: var(--muted);
    line-height: 1.6;
}

.band-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.band-card {
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.checkbox-row input {
    width: auto;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
}

.auth-card {
    width: min(100%, 30rem);
}

.auth-card form {
    margin-top: 1.4rem;
}

.button-link {
    width: fit-content;
}

.page-track[data-track-mood="storm"] {
    --track-accent: rgba(255, 143, 143, 0.38);
    --track-surface: rgba(255, 143, 143, 0.08);
    --track-glow: rgba(255, 126, 126, 0.22);
}

.page-track[data-track-mood="heavy"] {
    --track-accent: rgba(255, 191, 141, 0.34);
    --track-surface: rgba(255, 191, 141, 0.08);
    --track-glow: rgba(255, 191, 141, 0.18);
}

.page-track[data-track-mood="steady"] {
    --track-accent: rgba(139, 228, 255, 0.34);
    --track-surface: rgba(255, 255, 255, 0.08);
    --track-glow: rgba(139, 228, 255, 0.18);
}

.page-track[data-track-mood="bright"] {
    --track-accent: rgba(143, 243, 198, 0.34);
    --track-surface: rgba(143, 243, 198, 0.08);
    --track-glow: rgba(143, 243, 198, 0.2);
}

.page-track[data-track-mood="radiant"] {
    --track-accent: rgba(255, 233, 140, 0.35);
    --track-surface: rgba(255, 233, 140, 0.1);
    --track-glow: rgba(255, 233, 140, 0.22);
}

.page-track[data-track-mood] .aurora-one,
.page-track[data-track-mood] .aurora-two,
.page-track[data-track-mood] .range-card,
.page-track[data-track-mood] .preview-card,
.page-track[data-track-mood] .preview-card::before {
    transition: background 220ms ease, opacity 220ms ease, transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.page-track[data-track-mood="storm"] .aurora-one,
.page-track[data-track-mood="storm"] .aurora-two {
    opacity: 0.5;
    background: radial-gradient(circle, rgba(255, 128, 128, 0.32), transparent 70%);
}

.page-track[data-track-mood="heavy"] .aurora-one,
.page-track[data-track-mood="heavy"] .aurora-two {
    opacity: 0.55;
    background: radial-gradient(circle, rgba(255, 192, 128, 0.3), transparent 70%);
}

.page-track[data-track-mood="bright"] .aurora-one,
.page-track[data-track-mood="bright"] .aurora-two {
    opacity: 0.72;
    background: radial-gradient(circle, rgba(127, 243, 187, 0.3), transparent 70%);
}

.page-track[data-track-mood="radiant"] .aurora-one,
.page-track[data-track-mood="radiant"] .aurora-two {
    opacity: 0.78;
    background: radial-gradient(circle, rgba(255, 228, 122, 0.32), transparent 70%);
}

@media (max-width: 1100px) {
    .shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        min-height: auto;
    }

    .stats-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .topbar,
    .section-head,
    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-grid,
    .dashboard-grid,
    .page-grid,
    .stats-grid,
    .field-grid--two,
    .field-grid--three,
    .field-grid--four,
    .band-grid {
        grid-template-columns: 1fr;
    }

    .bar-chart {
        overflow-x: auto;
        padding-bottom: 0.4rem;
    }

    .archive-item,
    .preview-status {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .shell {
        padding: 0.8rem;
        gap: 0.8rem;
    }

    .sidebar,
    .hero-card,
    .metric-card,
    .chart-card,
    .form-panel,
    .detail-card,
    .info-card,
    .preview-card,
    .archive-list,
    .topbar {
        border-radius: 22px;
    }

    .hero-score {
        font-size: 2.8rem;
    }
}