:root {
    color-scheme: light dark;
    --bg: #14161a;
    --surface: #1d2025;
    --surface-2: #262a31;
    --border: #33383f;
    --text: #e8e9eb;
    --text-dim: #9aa0aa;
    --accent: #5b8cff;
    --accent-dim: #33456f;
    --danger: #e5484d;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

a {
    color: var(--accent);
}

h1:focus {
    outline: none;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

#blazor-error-ui {
    background: #b32121;
    color: white;
    bottom: 0;
    box-shadow: 0 -1px 8px rgba(0,0,0,.4);
    display: none;
    left: 0;
    padding: 0.8rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

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

/* ---- App shell ---- */

.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0.75rem 1.25rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.brand {
    font-weight: 600;
    font-size: 1.1rem;
}

.topbar .spacer {
    flex: 1;
}

.topnav {
    display: flex;
    gap: 1.25rem;
}

    .topnav a {
        color: var(--text-dim);
        text-decoration: none;
        padding: 0.25rem 0;
        border-bottom: 2px solid transparent;
    }

    .topnav a.active {
        color: var(--text);
        border-bottom-color: var(--accent);
    }

.content {
    flex: 1;
    padding: 1rem 1.25rem 2rem;
}

/* ---- Buttons / inputs ---- */

button, .btn {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.45rem 0.9rem;
    cursor: pointer;
    font-size: 0.9rem;
}

    button:hover, .btn:hover {
        border-color: var(--accent);
    }

    button:disabled {
        opacity: 0.5;
        cursor: default;
    }

button.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

button.danger {
    color: var(--danger);
}

input[type=text], input[type=search], input[type=password] {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.45rem 0.7rem;
    font-size: 0.9rem;
}

.logout-btn {
    background: transparent;
    border-color: transparent;
    color: var(--text-dim);
}

    .logout-btn:hover {
        color: var(--text);
        border-color: var(--border);
    }

select {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
}

/* ---- Gallery layout ---- */

.gallery-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 1.25rem;
    align-items: start;
}

@media (max-width: 720px) {
    .gallery-layout {
        grid-template-columns: 1fr;
    }
}

.sidebar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.75rem;
    position: sticky;
    top: 4.5rem;
}

.sidebar h3 {
    margin: 0.25rem 0 0.5rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
}

.folder-tree ul {
    list-style: none;
    margin: 0;
    padding-left: 0.9rem;
}

.folder-tree > ul {
    padding-left: 0;
}

.folder-node {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.4rem;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

    .folder-node:hover {
        background: var(--surface-2);
    }

    .folder-node.selected {
        background: var(--accent-dim);
        color: var(--text);
    }

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
    margin-bottom: 1rem;
}

.toolbar .spacer {
    flex: 1;
}

.status-line {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin: 0 0 0.75rem;
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
}

.photo-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: var(--text);
    display: block;
    transition: transform 0.1s ease, border-color 0.1s ease;
}

    .photo-card:hover {
        border-color: var(--accent);
        transform: translateY(-2px);
    }

.photo-thumb-wrap {
    aspect-ratio: 1;
    background: var(--surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

    .photo-thumb-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.video-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background: rgba(0,0,0,0.65);
    color: white;
    border-radius: 4px;
    padding: 0.1rem 0.4rem;
    font-size: 0.7rem;
}

.photo-caption {
    padding: 0.4rem 0.55rem;
    font-size: 0.78rem;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.empty-state {
    color: var(--text-dim);
    padding: 3rem 1rem;
    text-align: center;
}

/* ---- Photo detail ---- */

.detail-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 1.25rem;
    align-items: start;
}

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

.detail-viewer {
    background: #000;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    overflow: hidden;
}

    .detail-viewer img, .detail-viewer video {
        max-width: 100%;
        max-height: 82vh;
        object-fit: contain;
    }

.meta-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
}

    .meta-panel h3 {
        margin: 1rem 0 0.4rem;
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        color: var(--text-dim);
    }

        .meta-panel h3:first-child {
            margin-top: 0;
        }

.exif-row {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.25rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
}

    .exif-row .k {
        color: var(--text-dim);
    }

    .exif-row .v {
        text-align: right;
        word-break: break-word;
    }

.prompt-box {
    background: var(--surface-2);
    border-radius: 8px;
    padding: 0.6rem;
    font-size: 0.82rem;
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 0.5rem;
}

.back-link {
    display: inline-block;
    margin-bottom: 0.75rem;
    color: var(--text-dim);
    text-decoration: none;
}

    .back-link:hover {
        color: var(--text);
    }

/* ---- Settings ---- */

.folder-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.folder-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
}

.folder-list .path {
    flex: 1;
    font-family: Consolas, monospace;
    font-size: 0.85rem;
    overflow-wrap: anywhere;
}

.add-folder-form {
    display: flex;
    gap: 0.5rem;
    max-width: 640px;
}

    .add-folder-form input {
        flex: 1;
    }

.hint {
    color: var(--text-dim);
    font-size: 0.82rem;
    margin-top: 0.25rem;
}

.alert {
    padding: 0.6rem 0.9rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.alert-error {
    background: #3a1f21;
    color: #ff9a9d;
    border: 1px solid #6b2c2f;
}

.alert-success {
    background: #1f3a26;
    color: #8fe0a3;
    border: 1px solid #2c6b3f;
}

/* ---- Login ---- */

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

    .login-card h1 {
        margin: 0 0 0.5rem;
        font-size: 1.2rem;
        text-align: center;
    }

    .login-card label {
        font-size: 0.8rem;
        color: var(--text-dim);
    }

    .login-card input {
        width: 100%;
    }

    .login-card button {
        margin-top: 0.5rem;
    }