:root {
    color-scheme: dark;
    --bg: #050608;
    --panel: #0d1014;
    --panel-soft: #141820;
    --panel-flat: #090b0f;
    --text: #f4f7fb;
    --muted: #8d96a3;
    --muted-strong: #606a78;
    --lime: #a6ff00;
    --lime-soft: rgba(166, 255, 0, 0.18);
    --magenta: #ff2bd6;
    --magenta-soft: rgba(255, 43, 214, 0.18);
    --cyan: #00eaff;
    --cyan-soft: rgba(0, 234, 255, 0.16);
    --warning: #ffb000;
    --warning-soft: rgba(255, 176, 0, 0.16);
    --danger: #ff3b3b;
    --danger-soft: rgba(255, 59, 59, 0.16);
    --border: rgba(255, 255, 255, 0.12);
    --shadow-panel: 0 20px 70px rgba(0, 0, 0, 0.58);
    --radius-lg: 28px;
    --radius-md: 18px;
    --touch-size: 56px;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--bg);
}

body {
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 10% 10%, rgba(166, 255, 0, 0.14), transparent 30rem),
        radial-gradient(circle at 92% 18%, rgba(255, 43, 214, 0.13), transparent 34rem),
        radial-gradient(circle at 55% 0%, rgba(0, 234, 255, 0.08), transparent 26rem),
        linear-gradient(180deg, #080a0e 0%, var(--bg) 62%);
    color: var(--text);
    font-family: "Rajdhani", "Orbitron", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 18px;
    line-height: 1.45;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -2;
    content: "";
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 82%);
}

body::after {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    background-image:
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 4px);
    opacity: 0.55;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

button:focus-visible,
input:focus-visible {
    outline: 3px solid var(--cyan);
    outline-offset: 4px;
}

.app-shell {
    width: min(100%, 1440px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0 auto;
    border-inline: 1px solid rgba(0, 234, 255, 0.18);
    box-shadow:
        0 0 42px rgba(0, 234, 255, 0.08),
        inset 0 0 28px rgba(0, 234, 255, 0.035);
}

.screen {
    width: 100%;
    flex: 1;
}

.hidden {
    display: none !important;
}

.home-screen {
    display: grid;
    place-items: center;
    padding: clamp(20px, 4vw, 56px);
}

.home-card {
    position: relative;
    width: min(100%, 860px);
    overflow: hidden;
    padding: clamp(30px, 7vw, 72px);
    border: 1px solid rgba(0, 234, 255, 0.35);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(135deg, rgba(0, 234, 255, 0.08), transparent 26%),
        linear-gradient(315deg, rgba(255, 43, 214, 0.08), transparent 30%),
        rgba(13, 16, 20, 0.94);
    box-shadow:
        var(--shadow-panel),
        0 0 34px rgba(0, 234, 255, 0.18);
    text-align: center;
}

.home-card::before,
.person-panel::before,
.header-progress::before {
    position: absolute;
    inset: 0;
    pointer-events: none;
    content: "";
    border-radius: inherit;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
    opacity: 0.28;
}

.eyebrow {
    margin: 0 0 9px;
    color: var(--cyan);
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

h1,
h2,
p {
    margin-top: 0;
}

h1,
h2 {
    text-transform: uppercase;
}

h1 {
    margin-bottom: 12px;
    font-size: clamp(2.55rem, 8vw, 6.25rem);
    font-weight: 950;
    letter-spacing: 0.09em;
    line-height: 0.95;
    text-shadow:
        0 0 18px rgba(0, 234, 255, 0.36),
        0 0 34px rgba(166, 255, 0, 0.16);
}

h2 {
    margin-bottom: 4px;
    color: var(--text);
    font-size: clamp(1.25rem, 2.4vw, 1.7rem);
    font-weight: 950;
    letter-spacing: 0.16em;
    line-height: 1.08;
}

.subtitle {
    margin-bottom: 38px;
    color: var(--muted);
    font-size: clamp(1rem, 2.3vw, 1.38rem);
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.home-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.mode-button {
    min-height: 150px;
    border: 2px solid currentColor;
    border-radius: 24px;
    background: rgba(5, 6, 8, 0.72);
    color: var(--lime);
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 950;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    box-shadow:
        inset 0 0 24px rgba(255, 255, 255, 0.035),
        0 0 28px var(--lime-soft);
}

.teardown-button {
    color: var(--magenta);
    box-shadow:
        inset 0 0 24px rgba(255, 255, 255, 0.035),
        0 0 28px var(--magenta-soft);
}

.mode-button:hover,
.mode-button:focus-visible {
    background: rgba(20, 24, 32, 0.95);
}

.mode-button:active,
.secondary-button:active,
.danger-button:active,
.collapse-button:active,
.link-button:active {
    transform: translateY(1px) scale(0.995);
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 5;
    display: grid;
    grid-template-columns: minmax(170px, 0.8fr) minmax(300px, 1.35fr) auto;
    align-items: center;
    gap: 16px;
    padding: 16px clamp(12px, 2.4vw, 28px);
    border-bottom: 1px solid rgba(0, 234, 255, 0.28);
    background:
        linear-gradient(90deg, rgba(0, 234, 255, 0.08), transparent 32%),
        rgba(5, 6, 8, 0.94);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.44), 0 0 22px rgba(0, 234, 255, 0.1);
    backdrop-filter: blur(16px);
}

.app-header h1 {
    margin: 0;
    color: var(--text);
    font-size: clamp(1.75rem, 4vw, 3.15rem);
    letter-spacing: 0.12em;
}

.header-title-block {
    min-width: 0;
}

.header-progress {
    position: relative;
    padding: 14px 16px;
    border: 1px solid rgba(0, 234, 255, 0.26);
    border-radius: 20px;
    background: rgba(13, 16, 20, 0.9);
    box-shadow: inset 0 0 18px rgba(0, 234, 255, 0.04);
}

.header-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.secondary-button,
.danger-button,
.collapse-button,
.link-button {
    min-height: var(--touch-size);
    border-radius: 16px;
    font-weight: 950;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.secondary-button,
.danger-button,
.collapse-button {
    padding: 0 18px;
    border: 1px solid rgba(0, 234, 255, 0.42);
    color: var(--cyan);
    background: rgba(13, 16, 20, 0.95);
    box-shadow: 0 0 18px rgba(0, 234, 255, 0.08);
}

.danger-button {
    border-color: rgba(255, 59, 59, 0.5);
    color: #ff8b8b;
    box-shadow: 0 0 18px var(--danger-soft);
}

.checklist-content {
    width: 100%;
    margin: 0 auto;
    padding: 18px clamp(10px, 2.4vw, 28px) 34px;
}

.summary-heading,
.person-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.muted-text {
    margin-bottom: 0;
    color: var(--muted);
    font-weight: 950;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.toggle-control {
    min-height: var(--touch-size);
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border: 1px solid rgba(0, 234, 255, 0.32);
    border-radius: 16px;
    background: rgba(20, 24, 32, 0.92);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 950;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.toggle-control input {
    width: 30px;
    height: 30px;
    margin: 0;
    accent-color: var(--cyan);
}

.progress-track {
    width: 100%;
    height: 16px;
    margin-top: 14px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background: #050608;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
}

.progress-fill {
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--cyan), var(--lime));
    box-shadow: 0 0 18px var(--cyan-soft), 0 0 22px var(--lime-soft);
}

.person-panel[data-person="liz"] .progress-fill,
.person-panel:nth-child(1) .progress-fill {
    background: linear-gradient(90deg, var(--magenta), var(--cyan));
    box-shadow: 0 0 18px var(--magenta-soft);
}

.person-panel[data-person="dad"] .progress-fill,
.person-panel:nth-child(2) .progress-fill {
    background: linear-gradient(90deg, var(--lime), var(--cyan));
    box-shadow: 0 0 18px var(--lime-soft);
}

.completion-message {
    margin: 0 0 18px;
    padding: 16px 18px;
    border: 1px solid rgba(0, 234, 255, 0.42);
    border-radius: var(--radius-md);
    background: rgba(0, 234, 255, 0.08);
    color: var(--text);
    font-size: 1.12rem;
    font-weight: 950;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 0 24px var(--cyan-soft);
}

.people-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 14px;
    align-items: start;
}

.person-panel {
    position: relative;
    overflow: hidden;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 120px),
        rgba(13, 16, 20, 0.94);
    box-shadow: var(--shadow-panel);
}

.person-panel:nth-child(1) {
    border-color: rgba(255, 43, 214, 0.34);
    box-shadow: var(--shadow-panel), 0 0 24px rgba(255, 43, 214, 0.08);
}

.person-panel:nth-child(1) h2 {
    color: var(--magenta);
    text-shadow: 0 0 16px var(--magenta-soft);
}

.person-panel:nth-child(2) {
    border-color: rgba(166, 255, 0, 0.34);
    box-shadow: var(--shadow-panel), 0 0 24px rgba(166, 255, 0, 0.08);
}

.person-panel:nth-child(2) h2 {
    color: var(--lime);
    text-shadow: 0 0 16px var(--lime-soft);
}

.collapse-button {
    min-width: 152px;
    color: var(--muted);
    font-size: 0.82rem;
}

.collapse-button[aria-pressed="true"] {
    color: var(--text);
    border-color: rgba(0, 234, 255, 0.55);
    box-shadow: 0 0 18px var(--cyan-soft);
}

.task-list {
    display: grid;
    gap: 10px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

.task-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: rgba(20, 24, 32, 0.9);
    transition: border-color 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

.task-item:hover,
.task-item:focus-within {
    border-color: rgba(0, 234, 255, 0.34);
    box-shadow: 0 0 18px rgba(0, 234, 255, 0.08);
}

.task-item.is-safety {
    border-left: 7px solid var(--warning);
    box-shadow: inset 7px 0 18px rgba(255, 176, 0, 0.06);
}

.task-item.is-complete {
    border-color: rgba(255, 255, 255, 0.06);
    background: rgba(9, 11, 15, 0.86);
    box-shadow: none;
}

.task-item.is-filtered {
    display: none;
}

.task-label {
    min-height: 64px;
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 13px;
    align-items: start;
    padding: 14px;
}

.task-checkbox {
    position: relative;
    width: 36px;
    height: 36px;
    margin: 2px 0 0;
    appearance: none;
    border: 2px solid rgba(0, 234, 255, 0.42);
    border-radius: 10px;
    background: #050608;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8), 0 0 12px rgba(0, 234, 255, 0.08);
}

.task-checkbox::after {
    position: absolute;
    top: 4px;
    left: 10px;
    width: 10px;
    height: 18px;
    content: "";
    opacity: 0;
    transform: rotate(42deg);
    border-right: 4px solid #050608;
    border-bottom: 4px solid #050608;
}

.task-item[data-person="liz"] .task-checkbox {
    border-color: rgba(255, 43, 214, 0.55);
}

.task-item[data-person="dad"] .task-checkbox {
    border-color: rgba(166, 255, 0, 0.55);
}

.task-item[data-person="liz"] .task-checkbox:checked {
    background: var(--magenta);
    border-color: var(--magenta);
    box-shadow: 0 0 18px var(--magenta-soft);
}

.task-item[data-person="dad"] .task-checkbox:checked {
    background: var(--lime);
    border-color: var(--lime);
    box-shadow: 0 0 18px var(--lime-soft);
}

.task-checkbox:checked::after {
    opacity: 1;
}

.task-main {
    min-width: 0;
}

.task-text-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.task-text {
    color: var(--text);
    font-size: clamp(1rem, 2.1vw, 1.18rem);
    font-weight: 650;
    letter-spacing: 0.01em;
}

.task-item.is-complete .task-text {
    color: var(--muted-strong);
    text-decoration: line-through;
    text-decoration-thickness: 2px;
}

.task-note {
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.safety-label {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 2px 9px;
    border: 1px solid rgba(255, 176, 0, 0.62);
    border-radius: 999px;
    background: var(--warning-soft);
    color: #ffd37a;
    font-size: 0.72rem;
    font-weight: 950;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.app-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 16px 20px;
    color: var(--muted-strong);
    font-size: 0.82rem;
    font-weight: 850;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.link-button {
    min-height: 40px;
    padding: 0 12px;
    border: 0;
    color: var(--muted);
    background: transparent;
    text-decoration: underline;
}

.noscript-message {
    position: fixed;
    inset: auto 16px 16px;
    z-index: 20;
    padding: 16px;
    border: 1px solid var(--danger);
    border-radius: var(--radius-md);
    background: rgba(255, 59, 59, 0.18);
    color: var(--text);
    font-weight: 900;
}

@media (max-width: 980px) {
    .app-header {
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .header-actions {
        grid-template-columns: 1fr 1fr;
    }

    .summary-heading,
    .person-header {
        align-items: stretch;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 16px;
    }

    .app-shell {
        border-inline: 0;
    }

    .home-actions,
    .people-grid {
        grid-template-columns: 1fr;
    }

    .mode-button {
        min-height: 116px;
    }

    .home-card,
    .person-panel {
        border-radius: 20px;
    }

    .task-label {
        grid-template-columns: 40px 1fr;
        padding: 13px;
    }

    .app-footer {
        flex-direction: column;
    }
}