:root {
    color-scheme: light;
    --preview-bg: #f4f1ec;
    --preview-surface: #ffffff;
    --preview-surface-muted: #f8f5ef;
    --preview-text: #1d1a16;
    --preview-muted: #766f66;
    --preview-border: rgba(29, 26, 22, 0.1);
    --preview-accent: #ef7d4a;
    --preview-accent-strong: #d95f2d;
    --preview-shadow: 0 24px 80px rgba(33, 26, 19, 0.18);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--preview-text);
    background: radial-gradient(circle at top left, #fff8eb 0, var(--preview-bg) 34rem);
}

a {
    color: inherit;
}

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

.preview-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.preview-main {
    flex: 1;
    display: grid;
    place-items: center;
    padding: clamp(0.75rem, 3vw, 1.5rem);
}

.preview-device {
    width: min(100%, 430px);
    min-height: 780px;
    padding: 0.7rem;
    border-radius: 2.5rem;
    background: #191714;
    box-shadow: var(--preview-shadow);
}

.preview-device-speaker {
    width: 5rem;
    height: 0.35rem;
    margin: 0.45rem auto 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
}

.preview-device-screen {
    min-height: 720px;
    padding: 1.1rem;
    border-radius: 1.9rem;
    background: linear-gradient(180deg, #fffaf2 0%, #f8f5ef 100%);
    overflow: hidden;
}

.preview-hero,
.preview-panel,
.preview-card,
.preview-metric,
.preview-list article,
.preview-chat-message {
    border: 1px solid var(--preview-border);
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(18px);
}

.preview-hero,
.preview-panel {
    padding: 1.2rem;
    border-radius: 1.4rem;
    margin-bottom: 1rem;
}

.preview-panel--centered {
    min-height: 420px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.preview-eyebrow {
    margin: 0 0 0.45rem;
    color: var(--preview-accent-strong);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

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

h1 {
    margin-bottom: 0.75rem;
    font-size: clamp(2rem, 7vw, 3rem);
    line-height: 0.96;
    letter-spacing: -0.05em;
}

h2 {
    margin-bottom: 0.7rem;
    font-size: 1.2rem;
}

.preview-muted {
    color: var(--preview-muted);
}

.preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.preview-card {
    min-height: 9rem;
    padding: 1rem;
    border-radius: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    text-decoration: none;
    transition: transform 160ms ease, border-color 160ms ease;
}

.preview-card:hover {
    transform: translateY(-2px);
    border-color: rgba(217, 95, 45, 0.35);
}

.preview-card span:last-child {
    color: var(--preview-muted);
    font-size: 0.9rem;
}

.preview-card-icon {
    font-size: 1.7rem;
}

.preview-checklist {
    margin: 0;
    padding-left: 1.2rem;
    color: var(--preview-muted);
}

.preview-checklist li + li {
    margin-top: 0.45rem;
}

.preview-button {
    width: fit-content;
    margin: 0.5rem auto 0;
    padding: 0.8rem 1rem;
    border-radius: 999px;
    color: #fff;
    background: var(--preview-accent-strong);
    text-decoration: none;
    font-weight: 800;
}

.preview-metric-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
    margin-bottom: 1rem;
}

.preview-metric {
    padding: 0.9rem 0.6rem;
    border-radius: 1.1rem;
    text-align: center;
}

.preview-metric strong {
    display: block;
    font-size: 1.25rem;
}

.preview-metric span {
    color: var(--preview-muted);
    font-size: 0.8rem;
}

.preview-list {
    display: grid;
    gap: 0.75rem;
}

.preview-list article {
    padding: 1rem;
    border-radius: 1.1rem;
    display: grid;
    gap: 0.25rem;
}

.preview-list span {
    color: var(--preview-muted);
}

.preview-chat {
    display: grid;
    gap: 0.75rem;
}

.preview-chat-message {
    max-width: 86%;
    padding: 0.85rem 1rem;
    border-radius: 1.2rem;
    display: grid;
    gap: 0.25rem;
}

.preview-chat-message strong {
    font-size: 0.8rem;
}

.preview-chat-message--user {
    justify-self: end;
    color: white;
    background: linear-gradient(135deg, var(--preview-accent), var(--preview-accent-strong));
}

.preview-chat-message--coach {
    justify-self: start;
}

.preview-progress {
    height: 0.7rem;
    border-radius: 999px;
    background: rgba(29, 26, 22, 0.1);
    overflow: hidden;
}

.preview-progress span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--preview-accent), var(--preview-accent-strong));
}

#blazor-error-ui {
    color-scheme: light only;
    background: #fff4c1;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

@media (max-width: 720px) {
    .preview-device {
        min-height: auto;
        padding: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
    }

    .preview-device-speaker {
        display: none;
    }

    .preview-device-screen {
        min-height: calc(100vh - 1.5rem);
        border-radius: 1.4rem;
    }
}