:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --border: #e0e3e8;
    --text: #1f2430;
    --muted: #6b7280;
    --accent: #2f6feb;
    --accent-dark: #1f52c0;
    --danger: #d13438;
    --success: #1a7f37;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
}

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

/* ---- Kopfzeile ---- */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.app-title {
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text);
}
.logout-form { margin: 0; }
.logout-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.4rem 0.9rem;
    cursor: pointer;
    color: var(--muted);
}
.logout-btn:hover { border-color: var(--muted); }

.app-main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1.25rem;
    padding-bottom: 8rem; /* Platz für Player */
}

/* ---- Toolbar / Suche ---- */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.toolbar h1 { font-size: 1.5rem; margin: 0; }

.upload-btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 0.55rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    white-space: nowrap;
}
.upload-btn:hover { background: var(--accent-dark); }
.upload-btn.disabled { opacity: 0.6; cursor: default; }
.upload-btn input[type="file"] { display: none; }

.search {
    width: 100%;
    margin: 1rem 0;
    padding: 0.7rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}
.search:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

.notice {
    padding: 0.7rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}
.notice.success { background: #e6f4ea; color: var(--success); }
.notice.error { background: #fde7e9; color: var(--danger); }
.notice.info { background: #e8effc; color: var(--accent-dark); }

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

/* ---- Tabelle ---- */
.table-scroll { overflow-x: auto; }
table.tracks {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: 10px;
    overflow: hidden;
}
table.tracks th, table.tracks td {
    text-align: left;
    padding: 0.7rem 0.9rem;
    border-bottom: 1px solid var(--border);
}
table.tracks th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--muted);
}
table.tracks tr.current { background: #eef4ff; }
.col-duration { text-align: right; white-space: nowrap; }
.col-actions { text-align: right; width: 1%; white-space: nowrap; }

.link, .play-title {
    background: none;
    border: none;
    padding: 0;
    color: var(--text);
    font: inherit;
    cursor: pointer;
    text-align: left;
}
.play-title:hover { color: var(--accent); text-decoration: underline; }

.icon-btn {
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
}
.icon-btn:hover { background: var(--bg); }
.icon-btn:disabled { opacity: 0.3; cursor: default; }
.icon-btn.danger:hover { background: #fde7e9; }

/* ---- Player ---- */
.player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.06);
    z-index: 20;
}
.player.hidden { display: none; }
.player-info {
    display: flex;
    flex-direction: column;
    min-width: 140px;
    max-width: 240px;
    overflow: hidden;
}
.player-info strong, .player-info span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.player-info span { color: var(--muted); font-size: 0.9rem; }
.player-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}
.player-controls audio { flex: 1; min-width: 0; height: 40px; }

/* ---- Login ---- */
.login-wrapper {
    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: 360px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.login-card h1 { margin: 0; text-align: center; font-size: 1.5rem; }
.login-sub { margin: 0; text-align: center; color: var(--muted); }
.login-card label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; color: var(--muted); }
.login-card input {
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}
.login-card button {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.7rem;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: 500;
}
.login-card button:hover { background: var(--accent-dark); }
.login-error { background: #fde7e9; color: var(--danger); padding: 0.6rem; border-radius: 8px; text-align: center; font-size: 0.9rem; }

/* ---- Fehler-UI von Blazor ---- */
#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: #fff3cd;
    padding: 0.7rem 1.25rem;
    box-shadow: 0 -1px 4px rgba(0,0,0,0.2);
    z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; float: right; }

/* ---- Responsiv: Smartphone ---- */
@media (max-width: 640px) {
    .app-main { padding: 1rem; padding-bottom: 10rem; }

    /* Tabelle als Karten stapeln */
    table.tracks thead { display: none; }
    table.tracks, table.tracks tbody, table.tracks tr, table.tracks td { display: block; width: 100%; }
    table.tracks tr {
        border: 1px solid var(--border);
        border-radius: 10px;
        margin-bottom: 0.75rem;
        padding: 0.3rem 0.6rem;
        background: var(--surface);
    }
    table.tracks td { border: none; padding: 0.35rem 0.3rem; }
    table.tracks td[data-label]::before {
        content: attr(data-label) ": ";
        font-weight: 600;
        color: var(--muted);
    }
    .col-duration, .col-actions { text-align: left; }
    .col-actions::before { display: none; }

    .player { flex-direction: column; align-items: stretch; gap: 0.5rem; }
    .player-info { max-width: none; text-align: center; }
    .player-controls { justify-content: center; }
}