:root {
    --bg: #f5f6f8;
    --card: #ffffff;
    --border: #e2e5ea;
    --text: #1f2430;
    --muted: #8a92a3;
    --primary: #2f6fed;
    --primary-dark: #245bd0;
    --danger: #d64545;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.topbar nav { display: flex; align-items: center; gap: 1rem; }
.topbar .user { color: var(--muted); }

.container { max-width: 960px; margin: 1.5rem auto; padding: 0 1.25rem; }

.footer { text-align: center; color: var(--muted); padding: 2rem 0; }

.page-head {
    display: flex; align-items: center; gap: 0.75rem;
    margin-bottom: 1rem; flex-wrap: wrap;
}
.page-head h1 { margin: 0; font-size: 1.4rem; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}
.card.narrow { max-width: 380px; margin: 3rem auto; }
.card h2 { margin-top: 0; font-size: 1.1rem; }

label { display: block; margin-bottom: 0.75rem; font-size: 0.9rem; color: var(--muted); }
label.checkbox { display: flex; align-items: center; gap: 0.4rem; color: var(--text); }

input[type=text], input[type=password], input[type=file], select {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    margin-top: 0.2rem;
    background: #fff;
    color: var(--text);
}
label.checkbox input { width: auto; margin: 0; }

button, .btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
}
button:hover, .btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn { color: #fff; }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b83636; }

.link-danger {
    background: none; color: var(--danger); padding: 0.2rem 0.3rem;
}
.link-danger:hover { background: none; text-decoration: underline; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 1rem; }

.alert { padding: 0.6rem 0.8rem; border-radius: 6px; margin-bottom: 1rem; }
.alert.error { background: #fdecec; color: var(--danger); border: 1px solid #f5c6c6; }

.muted { color: var(--muted); font-size: 0.9rem; }

.tag {
    display: inline-block; font-size: 0.75rem; padding: 0.1rem 0.5rem;
    border-radius: 999px; background: #eef0f4; color: var(--muted);
}
.tag-public { background: #e6f4ea; color: #2e7d43; }
.tag-private { background: #fdecec; color: #b83636; }
.tag-full { background: #e7effd; color: var(--primary-dark); }

.space-list { list-style: none; padding: 0; margin: 0; }
.space-list li {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.7rem 0; border-bottom: 1px solid var(--border);
}

.breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 1rem;
    color: var(--muted);
    font-size: 0.95rem;
}
.breadcrumbs .sep { color: var(--muted); opacity: 0.6; }
.breadcrumbs .crumb-current { color: var(--text); font-weight: 600; }
.breadcrumbs .crumb-home { display: inline-flex; align-items: center; }
.breadcrumbs .crumb-up { color: var(--muted); margin-left: 0.75rem; }
.breadcrumbs .crumb-up:hover { color: var(--primary); }
.breadcrumbs a { color: var(--primary); }
.breadcrumbs a:hover { text-decoration: underline; }

.toolbar {
    display: flex; gap: 1.5rem; flex-wrap: wrap;
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1rem; margin-bottom: 1.25rem;
}
.inline { display: inline-flex; align-items: center; gap: 0.4rem; margin: 0; }
.inline label { margin: 0; }
.inline input[type=text], .inline input[type=password] { width: auto; margin: 0; }

table.filelist { width: 100%; border-collapse: collapse; background: var(--card); }
table.filelist th, table.filelist td {
    text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--border);
    font-size: 0.95rem; vertical-align: middle;
}
table.filelist th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
table.filelist .right { text-align: right; }

/* Názvy souborů/složek monospace pro zarovnání */
table.filelist td:first-child a { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

/* Řádek "o úroveň výš" - celý klikací */
table.filelist .row-up { cursor: pointer; }
table.filelist .row-up:hover { background: #f0f3f8; }
table.filelist .row-up a { color: var(--text); font-weight: 600; }
table.filelist .row-up a:hover { color: var(--primary); }

/* Hover na běžné řádky pro lepší orientaci */
table.filelist tbody tr:not(.row-up):hover { background: #fafbfc; }

.danger-zone { border-color: #f0c9c9; }
.danger-zone h2 { color: var(--danger); }
.danger-zone h3 { margin: 0 0 0.3rem; font-size: 1rem; }
.danger-zone hr { border: none; border-top: 1px solid var(--border); margin: 1.25rem 0; }
.danger-zone code {
    background: #f4f5f7; padding: 0.1rem 0.35rem; border-radius: 4px;
    font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.85em;
}
.delete-option { }
.btn-danger-soft {
    background: #fff; color: var(--danger); border: 1px solid var(--danger);
}
.btn-danger-soft:hover { background: #fdecec; }

.admin-tabs {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}
.admin-tabs a {
    padding: 0.6rem 1rem;
    color: var(--muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    font-weight: 500;
}
.admin-tabs a:hover { color: var(--text); text-decoration: none; }
.admin-tabs a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}