:root {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #f5f5f7;
    background: #050505;
    --bg-page: #050505;
    --bg-card: #111115;
    --bg-card-soft: #16181f;
    --stroke: rgba(255, 255, 255, 0.08);
    --text-muted: #a1a5b8;
    --accent: #4f8cff;
    --accent-soft: rgba(79, 140, 255, 0.15);
    --shadow-sm: 0 20px 60px rgba(0, 0, 0, 0.45);
}

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

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg-page);
    color: inherit;
}

body.modal-open {
    overflow: hidden;
}

.app-shell {
    max-width: 1100px;
    margin: 0 auto;
    padding: clamp(1.75rem, 4vw, 3rem) clamp(1rem, 4vw, 1.75rem) 4rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(1.1rem, 3vw, 1.6rem);
    border-radius: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--stroke);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    gap: 1rem;
}

.brand {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.brand h1 {
    margin: 0;
    font-size: clamp(1.4rem, 5vw, 1.85rem);
    color: #fff;
}

.brand p {
    margin: 0.25rem 0 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.brand-mark {
    width: 3rem;
    height: 3rem;
    border-radius: 0.8rem;
    background: var(--accent-soft);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.streak-pill {
    background: var(--bg-card-soft);
    border: 1px solid var(--stroke);
    padding: 0.6rem 1.2rem;
    border-radius: 999px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: #fff;
}

.streak-pill span {
    font-size: 1.1rem;
    color: var(--accent);
}

.insights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.9rem;
}

.card {
    background: var(--bg-card);
    border-radius: 0.9rem;
    padding: 1.25rem;
    border: 1px solid var(--stroke);
    box-shadow: var(--shadow-sm);
}

.metric-label {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    color: var(--text-muted);
}

.metric-value {
    font-size: 2.1rem;
    font-weight: 600;
    margin: 0.4rem 0;
    color: #fff;
}

.metric-subtext {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.program-hub {
    display: grid;
    grid-template-columns: minmax(220px, 320px) 1fr;
    gap: 1.25rem;
    align-items: start;
}

.program-list-panel {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.program-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.filter-chip {
    border: 1px solid var(--stroke);
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: transparent;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border 0.2s;
}

.filter-chip.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.program-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.program-card {
    padding: 0.9rem 1rem;
    border-radius: 0.8rem;
    border: 1px solid var(--stroke);
    background: var(--bg-card-soft);
    cursor: pointer;
    transition: transform 0.15s, border 0.2s, box-shadow 0.2s;
}

.program-card small {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.68rem;
    color: var(--text-muted);
}

.program-card strong {
    display: block;
    margin: 0.3rem 0 0.15rem;
    font-size: 1rem;
    color: #fff;
}

.program-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.program-card footer {
    margin-top: 0.7rem;
    display: flex;
    gap: 0.5rem;
    font-size: 0.76rem;
    color: var(--text-muted);
}

.program-card.active {
    border-color: var(--accent);
    background: #0f1220;
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.program-detail {
    background: var(--bg-card);
    border-radius: 0.9rem;
    border: 1px solid var(--stroke);
    padding: 1.3rem;
    min-height: 320px;
    box-shadow: var(--shadow-sm);
}

.detail-heading {
    margin-bottom: 1rem;
}

.detail-heading .eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.68rem;
    color: var(--text-muted);
}

.detail-heading h2 {
    margin: 0.35rem 0;
    color: #fff;
    font-size: clamp(1.2rem, 4vw, 1.6rem);
}

.detail-heading p {
    margin: 0;
    color: var(--text-muted);
}

.detail-metas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.1rem;
}

.meta-card {
    flex: 1;
    min-width: 150px;
    background: var(--bg-card-soft);
    border-radius: 0.75rem;
    padding: 0.8rem;
    border: 1px solid var(--stroke);
}

.meta-card small {
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.68rem;
    color: var(--text-muted);
}

.meta-card strong {
    font-size: 1.28rem;
    color: #fff;
}

.blocks {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.block {
    background: var(--bg-card-soft);
    border-radius: 0.75rem;
    border: 1px solid var(--stroke);
    overflow: hidden;
}

.block summary {
    padding: 0.9rem 1.1rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    cursor: pointer;
    align-items: center;
}

.block summary::-webkit-details-marker {
    display: none;
}

.block-title h3 {
    margin: 0;
    font-size: 0.98rem;
    color: #fff;
}

.block-title p {
    margin: 0.25rem 0 0;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.block-content {
    padding: 0 1.1rem 1rem;
}

.chevron {
    width: 11px;
    height: 11px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    transition: transform 0.2s;
    flex-shrink: 0;
}

.block[open] .chevron {
    transform: rotate(-135deg);
}

.block-items {
    list-style: none;
    padding: 0;
    margin: 0.7rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.block-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.8rem;
}

.block-item h4 {
    margin: 0;
    font-size: 0.98rem;
    color: #fff;
}

.block-item p {
    margin: 0.2rem 0 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.tracking-slot {
    margin-top: 0.6rem;
}

.weight-cta,
.weight-progress {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.65rem 0.9rem;
    border-radius: 0.7rem;
    border: 1px solid var(--stroke);
    background: #0c0f18;
}

.weight-cta small,
.weight-progress small {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.62rem;
    color: var(--text-muted);
}

.weight-cta strong,
.weight-progress strong {
    display: block;
    font-size: 0.98rem;
    color: #fff;
}

.weight-progress button,
.weight-cta button {
    flex-shrink: 0;
    min-width: 88px;
}

.program-cell {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.program-name {
    font-weight: 600;
    color: #fff;
}

.progress-tag {
    align-self: flex-start;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--stroke);
    color: var(--text-muted);
    background: #0f1220;
}

.progress-tag.positive {
    border-color: #3dd68c;
    color: #c7fcec;
    background: #051a12;
}

.progress-tag.neutral {
    border-color: var(--stroke);
}

.progress-tag.muted {
    color: #7a7f92;
}

.block-prescription {
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
}

label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.92rem;
    color: #fff;
}

input,
select,
button {
    font: inherit;
}

input,
select {
    border: 1px solid var(--stroke);
    background: #0c0f18;
    border-radius: 0.55rem;
    padding: 0.7rem 0.85rem;
    color: #fff;
    transition: border 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.2);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.9rem;
}

button {
    border: none;
    border-radius: 0.6rem;
    padding: 0.75rem 1rem;
    font-weight: 600;
    cursor: pointer;
}

.primary {
    background: var(--accent);
    color: #fff;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 12px 24px rgba(79, 140, 255, 0.35);
}

.ghost {
    background: #0d0f18;
    color: var(--text-muted);
    border: 1px solid var(--stroke);
}

.detail-actions {
    margin-top: 1.1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
}

.detail-actions label {
    flex: 1;
    min-width: 200px;
}

.detail-actions button {
    min-width: 200px;
}

.simple {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.chart {
    display: grid;
    grid-template-columns: repeat(7, minmax(26px, 1fr));
    gap: 0.5rem;
    align-items: end;
    height: 180px;
    padding: 0.8rem 0.1rem 0;
}

.bar {
    background: var(--accent);
    border-radius: 0.4rem 0.4rem 0.25rem 0.25rem;
    position: relative;
    min-height: 5px;
    box-shadow: 0 6px 16px rgba(79, 140, 255, 0.35);
}

.bar-label {
    position: absolute;
    inset: auto 0 -1.3rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.72rem;
}

.bar-value {
    position: absolute;
    top: -1.25rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.74rem;
    font-weight: 600;
    color: #fff;
}

.log-header {
    padding: 1rem 1rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    color: #fff;
}

th,
td {
    padding: 0.85rem 1rem;
    text-align: left;
}

thead th {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

tbody tr {
    border-top: 1px solid var(--stroke);
}

tbody tr:nth-child(odd) {
    background: var(--bg-card-soft);
}

tbody tr:nth-child(even) {
    background: #0d1018;
}

.log-table-wrapper {
    overflow-x: auto;
}

.tag {
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.tag[data-category="Strength"] {
    background: rgba(99, 102, 241, 0.25);
    color: #c7d2fe;
}

.tag[data-category="Cardio"] {
    background: rgba(248, 113, 113, 0.25);
    color: #fecaca;
}

.tag[data-category="Mobility"] {
    background: rgba(52, 211, 153, 0.25);
    color: #d1fae5;
}

.tag[data-category="Recovery"] {
    background: rgba(251, 191, 36, 0.25);
    color: #fef3c7;
}

.tag[data-category="PowerTrophy"] {
    background: rgba(167, 139, 250, 0.3);
    color: #ddd6fe;
}

.tag[data-category="Power"] {
    background: rgba(59, 130, 246, 0.3);
    color: #dbeafe;
}

.tag[data-category="Hypertrophy"] {
    background: rgba(236, 72, 153, 0.28);
    color: #fbcfe8;
}

.muted {
    margin: 0;
    color: var(--text-muted);
}

.empty {
    text-align: center;
    padding: 1.6rem;
    color: var(--text-muted);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 1000;
}

.modal-overlay.open {
    display: flex;
}

.modal-card {
    background: #0c0f18;
    border: 1px solid var(--stroke);
    border-radius: 0.85rem;
    width: min(420px, 100%);
    box-shadow: var(--shadow-sm);
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.modal-card h3 {
    margin: 0;
    font-size: 1.1rem;
    color: #fff;
}

.modal-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

#modal-input-group {
    display: none;
    color: #fff;
    font-size: 0.9rem;
}

#modal-input-group.active {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

#modal-input {
    width: 100%;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
}

@media (max-width: 900px) {
    .program-hub {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .program-detail {
        padding: 1.1rem;
    }

    .block-item {
        flex-direction: column;
        gap: 0.3rem;
    }

    .block-prescription {
        align-self: flex-start;
    }

    .detail-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-chip {
        font-size: 0.7rem;
    }

    th,
    td {
        padding: 0.75rem;
    }
}