@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&display=swap');

:root {
    --bg: #edf2fa;
    --sidebar: #e6ecf7;
    --panel: #ffffff;
    --text: #1a2a3a;
    --muted: #607286;
    --primary: #1462c9;
    --primary-hover: #0f4f9f;
    --danger: #c83b3b;
    --border: #d7e0ee;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Manrope', sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top right, #dce8ff 0%, transparent 40%),
        radial-gradient(circle at bottom left, #d9f4ff 0%, transparent 36%),
        var(--bg);
}

.drive-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
}

.drive-sidebar {
    background: var(--sidebar);
    border-right: 1px solid var(--border);
    padding: 20px 14px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: auto;
}

.brand h1 {
    margin: 0;
    font-size: 22px;
}

.brand p {
    margin: 4px 0 16px;
    color: var(--muted);
    font-size: 13px;
}

.new-btn {
    width: 100%;
    border: none;
    border-radius: 16px;
    padding: 12px;
    font: inherit;
    font-weight: 700;
    background: #fff;
    box-shadow: 0 6px 14px rgba(16, 44, 78, 0.12);
    cursor: pointer;
    margin-bottom: 18px;
}

.sidebar-nav {
    display: grid;
    gap: 6px;
}

.nav-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    color: var(--text);
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 14px;
}

.nav-item small {
    color: var(--muted);
}

.nav-item.active {
    background: #cfe2fb;
    color: #0f4f9f;
    font-weight: 700;
}

.drive-main {
    padding: 22px 24px 26px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.topbar-left h2 {
    margin: 0;
    font-size: 32px;
    letter-spacing: -0.02em;
}

.topbar-left p {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--muted);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 8px 26px rgba(22, 65, 118, 0.08);
}

.drive-toolbar {
    padding: 14px;
    margin-bottom: 14px;
}

.toolbar-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr)) auto;
    gap: 10px;
    align-items: end;
}

.manage-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

.panel-box {
    padding: 10px 14px 14px;
}

.panel-box summary {
    cursor: pointer;
    font-weight: 700;
    list-style: none;
    font-size: 15px;
    margin: 4px 0 8px;
}

.panel-box summary::-webkit-details-marker {
    display: none;
}

.folder-tools {
    display: grid;
    gap: 14px;
}

.drive-content {
    padding: 14px;
}

.content-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.content-head h3 {
    margin: 0;
}

.content-head span {
    color: var(--muted);
    font-size: 13px;
}

.empty-state {
    color: var(--muted);
    margin: 18px 2px;
}

form {
    margin: 0;
}

label {
    display: block;
    font-size: 12px;
    color: var(--muted);
    font-weight: 700;
    margin-bottom: 4px;
}

input[type="password"],
input[type="file"],
input[type="text"],
textarea,
.input-like {
    width: 100%;
    border: 1px solid var(--border);
    background: #fff;
    padding: 10px 12px;
    border-radius: 12px;
    margin: 0;
    font: inherit;
}

textarea {
    resize: vertical;
}

.toolbar-action {
    align-self: end;
}

.btn {
    border: none;
    border-radius: 12px;
    padding: 9px 13px;
    font: inherit;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-ghost {
    background: #eaf1fb;
    color: #1d62bf;
}

.btn-danger {
    background: #ffe5e5;
    color: var(--danger);
}

.bulk-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.bulk-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.inline-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(216px, 1fr));
    gap: 12px;
}

.photo-card {
    border: 1px solid var(--border);
    background: #f8fbff;
    border-radius: 14px;
    padding: 10px;
}

.card-head {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.card-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--muted);
}

.card-image {
    width: 100%;
    height: 170px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
}

.card-meta {
    margin-top: 8px;
    display: grid;
    gap: 2px;
}

.card-meta strong {
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-meta span {
    font-size: 12px;
    color: var(--muted);
}

.card-note-form {
    margin-top: 8px;
    display: grid;
    gap: 8px;
}

.card-actions {
    display: flex;
    gap: 8px;
}

.table-wrap {
    overflow-x: auto;
}

.drive-table {
    width: 100%;
    border-collapse: collapse;
}

.drive-table th,
.drive-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 13px;
    vertical-align: top;
}

.thumb {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.inline-note-form textarea {
    min-width: 180px;
    margin-bottom: 8px;
}

.actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.hidden-page {
    display: none;
}

.pagination,
.infinite-wrap {
    margin-top: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--muted);
}

#scroll-sentinel {
    height: 1px;
    width: 100%;
}

.alert {
    padding: 10px 12px;
    border-radius: 12px;
    margin-bottom: 10px;
    font-size: 13px;
}

.alert-error {
    background: #ffeaea;
    color: #8f1d1d;
    border: 1px solid #ffc8c8;
}

.alert-success {
    background: #e8fff2;
    color: #0f5e39;
    border: 1px solid #b8efd0;
}

.login-card {
    width: min(460px, 92%);
    margin: 80px auto;
    padding: 26px;
}

.login-card h1 {
    margin-top: 0;
}

@media (max-width: 1200px) {
    .toolbar-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 920px) {
    .drive-shell {
        grid-template-columns: 1fr;
    }

    .drive-sidebar {
        position: static;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .drive-main {
        padding: 16px 12px 20px;
    }

    .manage-row {
        grid-template-columns: 1fr;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar-left h2 {
        font-size: 27px;
    }

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

    .bulk-bar {
        flex-direction: column;
        align-items: flex-start;
    }
}