/* Afflink Filhanterare — stil */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg:       #060e1f;
    --surface:  #0d1b35;
    --surface2: #112040;
    --border:   #1e3054;
    --text:     #e8f0fe;
    --muted:    #6b8cba;
    --primary:  #2059A8;
    --accent:   #57C2ED;
    --green:    #10b981;
    --red:      #dc2626;
    --sidebar-w: 220px;
}

[data-theme="light"] {
    --bg:       #f1f5f9;
    --surface:  #ffffff;
    --surface2: #f8fafc;
    --border:   #e2e8f0;
    --text:     #1e293b;
    --muted:    #64748b;
    --primary:  #2059A8;
    --accent:   #2059A8;
    --green:    #059669;
    --red:      #dc2626;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    font-size: 15px;
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

/* ── LOGIN ── */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(ellipse at center, #0d1b35 0%, #060e1f 70%);
}

.login-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.login-logo {
    width: 150px;
    margin-bottom: 12px;
    border-radius: 8px;
}

.login-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.login-sub {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 28px;
}

.login-box form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.login-box input {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 13px 18px;
    border-radius: 10px;
    font-size: 15px;
    outline: none;
    transition: border-color 0.15s;
}

.login-box input:focus { border-color: var(--accent); }

.login-box button {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    padding: 13px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
}

.login-box button:hover { opacity: 0.88; }

.error {
    color: var(--red);
    font-size: 13px;
    display: block;
    text-align: left;
    padding: 6px 12px;
    background: rgba(220,38,38,0.1);
    border-radius: 8px;
    border: 1px solid rgba(220,38,38,0.25);
}

/* ── LAYOUT ── */
.fs-layout {
    display: flex;
    min-height: 100vh;
}

/* ── SIDEBAR ── */
.fs-sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow: hidden;
    transition: transform 0.2s ease;
}

.fs-sidebar-top {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

/* Logo: dark-mode visar light-logo, light-mode visar full-logo */
.fs-logo { width: 120px; border-radius: 6px; display: block; }
.fs-logo-dark  { display: block; }
.fs-logo-light { display: none; }
[data-theme="light"] .fs-logo-dark  { display: none; }
[data-theme="light"] .fs-logo-light { display: block; }

.fs-nav {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.fs-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 16px;
    color: var(--muted);
    font-size: 14px;
    transition: color 0.15s, background 0.15s;
    border-radius: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fs-nav-link svg {
    width: 16px; height: 16px;
    flex-shrink: 0;
}

.fs-nav-link:hover {
    color: var(--text);
    background: var(--surface2);
}

.fs-nav-link.active {
    color: var(--accent);
    background: rgba(87, 194, 237, 0.08);
}

/* ── SIDEBAR FOOTER (nav-länkar + theme-toggle + logga ut) ── */
.fs-sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
}

.fs-footer-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.15s;
    background: none;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.fs-footer-link svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.7; }
.fs-footer-link:hover { color: var(--text); background: var(--surface2); }
.fs-footer-link:hover svg { opacity: 1; }
.fs-footer-logout { color: var(--red); }
.fs-footer-logout:hover { background: rgba(248,113,113,0.1); }

/* Theme-toggle — visa rätt ikon beroende på aktivt tema */
.fs-theme-btn .fs-theme-moon { display: none; }
[data-theme="light"] .fs-theme-btn .fs-theme-sun  { display: none; }
[data-theme="light"] .fs-theme-btn .fs-theme-moon { display: block; }
.fs-theme-label-dark { display: inline; }
.fs-theme-label-light { display: none; }
[data-theme="light"] .fs-theme-label-dark  { display: none; }
[data-theme="light"] .fs-theme-label-light { display: inline; }

/* Light-mode: login-sida */
[data-theme="light"] body.login-page {
    background: radial-gradient(ellipse at center, #e2e8f0 0%, #f1f5f9 70%);
}

/* ── MAIN ── */
.fs-main {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* ── TOPBAR ── */
.fs-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    position: sticky;
    top: 0;
    z-index: 50;
}

.fs-hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: color 0.15s;
}

.fs-hamburger svg { width: 20px; height: 20px; display: block; }
.fs-hamburger:hover { color: var(--text); }

/* ── BREADCRUMB ── */
.fs-breadcrumb {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: var(--muted);
    flex-wrap: wrap;
    min-width: 0;
}

.fs-breadcrumb a {
    color: var(--accent);
    transition: color 0.15s;
}

.fs-breadcrumb a:hover { color: var(--text); }

.fs-breadcrumb-sep { color: var(--muted); }

.fs-breadcrumb-current {
    color: var(--text);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 300px;
}

/* ── INNEHÅLL ── */
.fs-content {
    padding: 20px 24px;
    flex: 1;
}

.fs-empty {
    color: var(--muted);
    padding: 40px 0;
    text-align: center;
}

/* ── TABELL-HEADER ── */
.fs-table-header {
    display: flex;
    align-items: center;
    padding: 8px 14px 8px 48px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    margin-bottom: 2px;
}

/* ── FIL-RAD ── */
.fs-item {
    border-radius: 8px;
    transition: background 0.12s;
    margin: 1px 0;
}

.fs-item:hover { background: var(--surface2); }

.fs-item-back .fs-item-link {
    color: var(--muted);
}

.fs-item-link {
    display: flex;
    align-items: center;
    padding: 9px 14px;
    gap: 12px;
    color: var(--text);
    min-width: 0;
}

.fs-item-icon {
    flex-shrink: 0;
    width: 22px; height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
}

.fs-item-icon svg { width: 18px; height: 18px; }

.fs-item-dir .fs-item-icon { color: var(--accent); }

.fs-item-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 14px;
}

.fs-item-dir .fs-item-name {
    font-weight: 500;
}

.col-name  { flex: 1; min-width: 0; }
.col-modified { width: 140px; flex-shrink: 0; font-size: 13px; color: var(--muted); }
.col-size  { width: 90px; flex-shrink: 0; font-size: 13px; color: var(--muted); text-align: right; }

/* ── PREVIEW ── */
.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
    gap: 12px;
    flex-wrap: wrap;
}

.preview-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.preview-back {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--accent);
    font-size: 14px;
    transition: color 0.15s;
    white-space: nowrap;
}

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

.preview-filename {
    font-weight: 600;
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 400px;
}

.preview-ext-badge {
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 20px;
    white-space: nowrap;
}

.preview-raw-link {
    color: var(--muted);
    font-size: 13px;
    padding: 5px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.preview-raw-link:hover { color: var(--text); border-color: var(--muted); }

.preview-body {
    overflow: auto;
}

.preview-code {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    font-family: 'SFMono-Regular', 'Consolas', 'Menlo', monospace;
    font-size: 13px;
    line-height: 1.65;
    color: var(--text);
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Markdown-rendering */
.preview-markdown {
    max-width: 860px;
    line-height: 1.75;
}

.preview-markdown h1, .preview-markdown h2, .preview-markdown h3 {
    color: var(--text);
    margin: 24px 0 12px;
    line-height: 1.3;
}

.preview-markdown h1 { font-size: 24px; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.preview-markdown h2 { font-size: 20px; }
.preview-markdown h3 { font-size: 17px; }

.preview-markdown p { margin-bottom: 14px; color: var(--text); }

.preview-markdown a { color: var(--accent); text-decoration: underline; }
.preview-markdown a:hover { opacity: 0.8; }

.preview-markdown ul, .preview-markdown ol {
    margin: 0 0 14px 22px;
}

.preview-markdown li { margin-bottom: 4px; }

.preview-markdown code {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 6px;
    font-family: 'SFMono-Regular', monospace;
    font-size: 13px;
}

.preview-markdown pre {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 16px;
    overflow: auto;
    margin-bottom: 16px;
}

.preview-markdown pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 13px;
}

.preview-markdown blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 14px;
    color: var(--muted);
    margin: 0 0 14px;
}

.preview-markdown table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
    font-size: 14px;
}

.preview-markdown th, .preview-markdown td {
    border: 1px solid var(--border);
    padding: 8px 12px;
    text-align: left;
}

.preview-markdown th {
    background: var(--surface2);
    font-weight: 600;
}

.preview-markdown tr:nth-child(even) { background: rgba(255,255,255,0.02); }

/* ── MOBIL ── */
@media (max-width: 768px) {
    .fs-sidebar {
        transform: translateX(-100%);
    }

    .fs-sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0,0,0,0.4);
    }

    .fs-main {
        margin-left: 0;
    }

    .fs-hamburger {
        display: flex;
    }

    .fs-topbar {
        padding: 10px 14px;
    }

    .fs-content {
        padding: 12px 14px;
    }

    .col-modified, .col-size {
        display: none;
    }

    .fs-table-header {
        display: none;
    }

    .fs-breadcrumb-current {
        max-width: 180px;
    }

    .login-box {
        padding: 32px 22px;
        border-radius: 16px;
        margin: 16px;
    }
}

@media (max-width: 480px) {
    .preview-filename { max-width: 200px; }
}

/* ── EXPANDERBAR NAV-DIR ── */
.fs-nav { flex: 1; overflow-y: auto; padding: 8px 0; border-bottom: none; }

.fs-navdir { /* wrapper per toppmapp */ }

.fs-navdir-row {
    display: flex;
    align-items: stretch;
    transition: background 0.12s;
}
.fs-navdir-row:hover { background: var(--surface2); }
.fs-navdir-row.active { background: rgba(87,194,237,0.08); }

.fs-navdir-toggle {
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    flex-shrink: 0;
    padding: 0 0 0 10px;
    transition: color 0.15s;
}
.fs-navdir-toggle:hover { color: var(--text); }
.fs-navdir-toggle svg { transition: transform 0.15s; }
.fs-navdir-toggle.open svg { transform: rotate(90deg); }

.fs-navdir-toggle-spacer {
    width: 28px;
    flex-shrink: 0;
}

.fs-navdir-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px 8px 4px;
    flex: 1;
    min-width: 0;
    color: var(--muted);
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.15s;
}
.fs-navdir-label.active { color: var(--accent); }
.fs-navdir-row.active .fs-navdir-label { color: var(--accent); }
.fs-navdir-row:hover .fs-navdir-label { color: var(--text); }
.fs-navdir-row.active:hover .fs-navdir-label { color: var(--accent); }

.fs-navdir-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.fs-navdir-children { display: none; }

.fs-navdir-child { /* inga egna stilar — children är fs-navdir-row */ }

/* ── IFRAME-WRAPPER (HTML/PDF) ── */
.fs-content-iframe {
    width: 100%;
    height: calc(100vh - 200px);
    border: 1px solid var(--border);
    border-radius: 8px;
    background: white;
    display: block;
    margin-top: 16px;
}

/* ── BILD-WRAPPER ── */
.fs-img-wrap {
    margin-top: 16px;
    text-align: center;
    padding: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.fs-img-preview {
    max-width: 100%;
    max-height: calc(100vh - 280px);
    border-radius: 4px;
    object-fit: contain;
}