.stp-app {
    --stp-bg: #f5f7fb;
    --stp-card: #ffffff;
    --stp-text: #18212f;
    --stp-muted: #667085;
    --stp-line: #e4e9f1;
    --stp-accent: #2b6ef2;
    --stp-accent-soft: #eaf1ff;
    --stp-success: #178451;
    --stp-success-soft: #e8f7ef;
    color: var(--stp-text);
    font-family: inherit;
    max-width: 1180px;
    margin: 0 auto;
}

.stp-app * {
    box-sizing: border-box;
}

.stp-hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    padding: 30px;
    border: 1px solid var(--stp-line);
    border-radius: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #edf3ff 100%);
    margin-bottom: 18px;
}

.stp-eyebrow {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--stp-accent);
}

.stp-hero h2 {
    margin: 0 0 8px;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.08;
    color: var(--stp-text);
}

.stp-hero p {
    margin: 0;
    color: var(--stp-muted);
    font-size: 17px;
}

.stp-overall {
    min-width: 135px;
    padding: 18px;
    border-radius: 18px;
    background: var(--stp-card);
    border: 1px solid var(--stp-line);
    text-align: center;
}

.stp-overall strong {
    display: block;
    font-size: 28px;
    line-height: 1;
    margin-bottom: 6px;
}

.stp-overall span:last-child {
    color: var(--stp-muted);
    font-size: 13px;
}

.stp-toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.stp-search-wrap {
    flex: 1;
}

.stp-search {
    width: 100%;
    min-height: 46px;
    padding: 10px 15px;
    border: 1px solid var(--stp-line);
    border-radius: 14px;
    background: var(--stp-card);
    color: var(--stp-text);
    font: inherit;
}

.stp-search:focus {
    outline: 3px solid rgba(43, 110, 242, .16);
    border-color: var(--stp-accent);
}

.stp-reset {
    min-height: 46px;
    padding: 10px 16px;
    border: 1px solid var(--stp-line);
    border-radius: 14px;
    background: var(--stp-card);
    color: var(--stp-text);
    cursor: pointer;
    font: inherit;
    font-weight: 600;
}

.stp-reset:hover {
    border-color: var(--stp-accent);
    color: var(--stp-accent);
}

.stp-progress {
    height: 9px;
    overflow: hidden;
    border-radius: 999px;
    background: #e8ecf3;
    margin-bottom: 22px;
}

.stp-progress-bar {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--stp-success);
    transition: width .25s ease;
}

.stp-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.stp-card {
    min-width: 0;
    border: 1px solid var(--stp-line);
    border-radius: 20px;
    background: var(--stp-card);
    box-shadow: 0 8px 24px rgba(16, 24, 40, .05);
    overflow: hidden;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.stp-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 13px 32px rgba(16, 24, 40, .09);
    border-color: #cdd8ea;
}

.stp-card.is-open {
    grid-column: 1 / -1;
    transform: none;
}

.stp-card.is-complete {
    border-color: #9bd7b8;
    box-shadow: 0 8px 24px rgba(23, 132, 81, .08);
}

.stp-card-toggle {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 260px;
    padding: 22px;
    border: 0;
    background: transparent;
    color: inherit;
    text-align: left;
    cursor: pointer;
    font: inherit;
}

.stp-card.is-complete .stp-card-toggle {
    background: linear-gradient(180deg, var(--stp-success-soft) 0%, #ffffff 62%);
}

.stp-day-number {
    align-self: flex-start;
    display: inline-flex;
    padding: 7px 10px;
    border-radius: 999px;
    background: var(--stp-accent-soft);
    color: var(--stp-accent);
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 18px;
}

.stp-card.is-complete .stp-day-number {
    background: var(--stp-success-soft);
    color: var(--stp-success);
}

.stp-card-title {
    display: block;
    font-size: 21px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 10px;
}

.stp-card-summary {
    display: block;
    color: var(--stp-muted);
    line-height: 1.55;
}

.stp-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    width: 100%;
    margin-top: auto;
    padding-top: 18px;
    color: var(--stp-muted);
    font-size: 13px;
}

.stp-open-label {
    color: var(--stp-accent);
    font-weight: 700;
}

.stp-details {
    border-top: 1px solid var(--stp-line);
    background: #fbfcfe;
}

.stp-details-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px;
    line-height: 1.65;
}

.stp-details-inner h3 {
    margin-top: 28px;
    margin-bottom: 10px;
    font-size: 20px;
}

.stp-details-inner h3:first-child {
    margin-top: 0;
}

.stp-details-inner ol,
.stp-details-inner ul {
    padding-left: 24px;
}

.stp-details-inner li {
    margin-bottom: 7px;
}

.stp-details-inner code {
    padding: 2px 6px;
    border-radius: 6px;
    background: #eef2f7;
}

.stp-result {
    margin-top: 28px;
    padding: 18px 20px;
    border-left: 4px solid var(--stp-accent);
    border-radius: 12px;
    background: var(--stp-accent-soft);
}

.stp-result p {
    margin: 6px 0 0;
}

.stp-complete-control {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding: 16px 18px;
    border: 1px solid var(--stp-line);
    border-radius: 14px;
    background: var(--stp-card);
    cursor: pointer;
    font-weight: 700;
}

.stp-complete-control input {
    width: 20px;
    height: 20px;
}

.stp-no-results,
.stp-empty {
    padding: 28px;
    border: 1px dashed var(--stp-line);
    border-radius: 16px;
    text-align: center;
    color: var(--stp-muted);
}

@media (max-width: 900px) {
    .stp-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .stp-hero {
        align-items: stretch;
        flex-direction: column;
        padding: 22px;
    }

    .stp-overall {
        width: 100%;
    }

    .stp-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

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

    .stp-card.is-open {
        grid-column: auto;
    }

    .stp-card-toggle {
        min-height: 235px;
    }

    .stp-details-inner {
        padding: 22px;
    }
}