:root {
    color-scheme: dark;

    --background: #07101c;
    --surface: #101c2d;
    --surface-raised: #17263a;
    --border: rgba(255, 255, 255, 0.09);
    --text: #f5f7fb;
    --muted: #9aabc0;
    --accent: #4da3ff;
    --accent-strong: #1f84f5;
    --success: #56d6a5;
    --danger: #ff7b88;
    --radius-large: 24px;
    --radius-medium: 16px;
    --shadow:
        0 18px 50px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

html {
    background: var(--background);
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(
            circle at top left,
            rgba(36, 99, 170, 0.24),
            transparent 28rem
        ),
        var(--background);
    color: var(--text);
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "SF Pro Display",
        "Segoe UI",
        sans-serif;
    -webkit-font-smoothing: antialiased;
}

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

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

.app-shell {
    width: min(100%, 760px);
    min-height: 100vh;
    margin: 0 auto;
    padding-bottom: calc(92px + env(safe-area-inset-bottom));
}

.app-header {
    position: sticky;
    z-index: 20;
    top: 0;
    display: flex;
    min-height: 68px;
    align-items: center;
    justify-content: space-between;
    padding:
        calc(14px + env(safe-area-inset-top))
        20px
        14px;
    border-bottom: 1px solid var(--border);
    background: rgba(7, 16, 28, 0.82);
    backdrop-filter: blur(24px);
}

.app-brand {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.app-main {
    padding: 28px 18px 38px;
}

.page-heading,
.auth-intro {
    margin-bottom: 24px;
}

.page-heading h1,
.auth-intro h1 {
    margin: 0;
    font-size: clamp(2.2rem, 9vw, 3.5rem);
    line-height: 1;
    letter-spacing: -0.055em;
}

.page-heading p,
.auth-intro p {
    color: var(--muted);
}

.eyebrow {
    margin-bottom: 10px;
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.app-card,
.day-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.035),
            rgba(255, 255, 255, 0)
        ),
        var(--surface);
    box-shadow: var(--shadow);
}

.app-card {
    padding: 20px;
}

.auth-screen {
    display: grid;
    align-content: center;
    min-height: calc(100vh - 160px);
}

.form-stack {
    display: grid;
    gap: 18px;
}

.form-stack label {
    display: grid;
    gap: 8px;
}

.form-stack label > span {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 700;
}

input,
textarea,
select {
    width: 100%;
    min-height: 54px;
    border: 1px solid var(--border);
    border-radius: 14px;
    outline: none;
    background: #0a1524;
    color: var(--text);
    padding: 14px 15px;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(77, 163, 255, 0.14);
}

.primary-button,
.secondary-button {
    display: flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    font-weight: 800;
    cursor: pointer;
}

.primary-button {
    border: 0;
    background:
        linear-gradient(
            135deg,
            var(--accent),
            var(--accent-strong)
        );
    color: white;
    box-shadow:
        0 12px 28px rgba(31, 132, 245, 0.3);
}

.secondary-button {
    border: 1px solid var(--border);
    background: var(--surface-raised);
}

.secondary-link {
    color: var(--accent);
    text-align: center;
    font-weight: 700;
}

.text-button {
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
    height: 1px;
    flex: 1;
    background: var(--border);
    content: "";
}

.week-list {
    display: grid;
    gap: 12px;
}

.day-card {
    display: flex;
    min-height: 88px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px;
    transition:
        transform 160ms ease,
        border-color 160ms ease;
}

.day-card:active {
    transform: scale(0.985);
}

.day-card--today {
    border-color: rgba(77, 163, 255, 0.5);
}

.day-card__weekday,
.day-card__date {
    display: block;
}

.day-card__weekday {
    margin-bottom: 5px;
    font-size: 1.05rem;
    font-weight: 800;
}

.day-card__date {
    color: var(--muted);
    font-size: 0.85rem;
}

.status-pill {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    color: var(--muted);
    padding: 7px 12px;
    font-size: 0.76rem;
    font-weight: 800;
}

.status-pill--complete {
    background: rgba(86, 214, 165, 0.13);
    color: var(--success);
}

.bottom-nav {
    position: fixed;
    z-index: 30;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    width: min(100%, 760px);
    min-height: calc(72px + env(safe-area-inset-bottom));
    margin: 0 auto;
    padding:
        8px
        14px
        calc(8px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border);
    background: rgba(7, 16, 28, 0.88);
    backdrop-filter: blur(24px);
}

.bottom-nav__item {
    display: grid;
    place-items: center;
    align-content: center;
    gap: 3px;
    border-radius: 14px;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 750;
}

.bottom-nav__icon {
    color: var(--accent);
    font-size: 1.25rem;
}

.field-error,
.form-error {
    color: var(--danger);
}

@media (min-width: 761px) {
    body {
        padding: 30px;
    }

    .app-shell {
        min-height: calc(100vh - 60px);
        overflow: hidden;
        border: 1px solid var(--border);
        border-radius: 32px;
        background: rgba(7, 16, 28, 0.78);
        box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
    }

    .bottom-nav {
        border-right: 1px solid var(--border);
        border-left: 1px solid var(--border);
    }
}

.page-heading--compact h1 {
    max-width: 620px;
    font-size: clamp(2rem, 8vw, 3.2rem);
}

.page-heading--with-action {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 30px;
}

.metric-card {
    display: grid;
    min-height: 150px;
    align-content: space-between;
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.05),
            transparent
        ),
        var(--surface);
    padding: 18px;
    box-shadow: var(--shadow);
}

.metric-card__label,
.metric-card__action {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 750;
}

.metric-card strong {
    font-size: 2.8rem;
    line-height: 1;
    letter-spacing: -0.06em;
}

.metric-card__action {
    color: var(--accent);
}

.section-block {
    margin-top: 30px;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 14px;
}

.section-heading h2 {
    margin: 0;
    font-size: 1.45rem;
    letter-spacing: -0.035em;
}

.section-heading a {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 800;
}

.feature-card,
.project-card,
.person-card {
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.feature-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 16px;
    border-radius: var(--radius-large);
    padding: 18px;
}

.feature-card__icon {
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    border-radius: 17px;
    background: rgba(77, 163, 255, 0.14);
    color: var(--accent);
    font-size: 1.6rem;
}

.feature-card strong,
.feature-card span {
    display: block;
}

.feature-card span {
    margin-top: 4px;
    color: var(--muted);
    font-size: 0.82rem;
}

.feature-card__arrow {
    color: var(--accent) !important;
    font-size: 1.8rem !important;
}

.projects-list,
.people-list {
    display: grid;
    gap: 12px;
}

.project-card {
    display: flex;
    min-height: 92px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 12px;
    border-radius: var(--radius-large);
    padding: 18px;
}

.project-card--large {
    min-height: 128px;
}

.project-card strong,
.project-card span {
    display: block;
}

.project-card strong {
    margin-top: 7px;
    font-size: 1.05rem;
}

.project-card span {
    margin-top: 5px;
    color: var(--muted);
    font-size: 0.82rem;
}

.project-card__people {
    flex: none;
    color: var(--accent);
    font-size: 0.76rem;
    font-weight: 800;
}

.person-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 14px;
    min-height: 78px;
    border-radius: 20px;
    padding: 13px 16px;
}

.avatar,
.profile-button {
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background:
        linear-gradient(
            135deg,
            var(--accent),
            var(--accent-strong)
        );
    color: white;
    font-weight: 850;
}

.avatar {
    width: 48px;
    height: 48px;
}

.profile-button {
    width: 38px;
    height: 38px;
    cursor: pointer;
}

.person-card__details strong,
.person-card__details small {
    display: block;
}

.person-card__details small {
    margin-top: 4px;
    color: var(--muted);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 5px rgba(86, 214, 165, 0.12);
}

.status-dot--inactive {
    background: var(--muted);
    box-shadow: none;
}

.round-action {
    display: grid;
    width: 52px;
    height: 52px;
    flex: none;
    place-items: center;
    border-radius: 18px;
    background: var(--accent);
    color: white;
    font-size: 1.8rem;
    font-weight: 500;
    box-shadow: 0 12px 28px rgba(31, 132, 245, 0.28);
}

.empty-card {
    border: 1px dashed rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-large);
    background: rgba(255, 255, 255, 0.025);
    padding: 24px;
    text-align: center;
}

.empty-card p {
    color: var(--muted);
}

.empty-card .primary-button {
    margin-top: 18px;
}

.toggle-field {
    display: flex !important;
    min-height: 54px;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: #0a1524;
    padding: 14px 15px;
}

.toggle-field input {
    width: 22px;
    min-height: 22px;
}

.selection-field {
    min-width: 0;
    margin: 0;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
}

.selection-field legend {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 750;
    padding: 0 7px;
}

.selection-field > div {
    display: grid;
    gap: 11px;
}

.selection-field label {
    display: flex;
    align-items: center;
    gap: 10px;
}

.selection-field input {
    width: 22px;
    min-height: 22px;
}

.field-help {
    color: var(--muted);
    font-size: 0.8rem;
}

.card-status-row {
    margin-bottom: 4px;
}

.bottom-nav {
    grid-template-columns: repeat(4, 1fr);
}

.bottom-nav__item--primary {
    position: relative;
    color: var(--text);
}

.bottom-nav__primary-icon {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    margin-top: -27px;
    border: 5px solid var(--background);
    border-radius: 50%;
    background:
        linear-gradient(
            135deg,
            var(--accent),
            var(--accent-strong)
        );
    color: white;
    font-size: 1.3rem;
    box-shadow: 0 10px 24px rgba(31, 132, 245, 0.34);
}