:root {
    --bg:            #0c0917;
    --surface:       #17112b;
    --surface-raised:#271a45;
    --accent:        #c9a84c;
    --text:          #ede0c4;
    --text-muted:    #9b8ab0;
    --border:        #3b2a62;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

body {
    background: var(--bg);
    background-image: radial-gradient(ellipse at 50% 0%, #1f1040 0%, var(--bg) 65%);
    background-attachment: fixed;
    color: var(--text);
    font-family: 'Segoe UI', system-ui, sans-serif;
    min-height: 100vh;
}

nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    gap: 0;
}

nav .brand {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    text-shadow: 0 0 12px rgba(201, 168, 76, 0.45);
    padding: 1rem 1.5rem 1rem 0;
    border-right: 1px solid var(--border);
    margin-right: 0.5rem;
    text-decoration: none;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 1rem 1rem;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}

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

.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 1.25rem;
}

header h1 {
    font-size: 1.8rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-shadow: 0 0 18px rgba(201, 168, 76, 0.35);
    margin-bottom: 2rem;
}

/* Explorer */
.file-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.file-table th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.file-table td { padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.file-table tr:last-child td { border-bottom: none; }
.file-table tr:hover td { background: var(--surface-raised); }
.file-table .actions { display: flex; gap: 0.4rem; }
.file-table button { padding: 0.25rem 0.6rem; font-size: 0.8rem; }
button.danger { background: transparent; border-color: #5a1f3a; color: #c47a8a; }
button.danger:hover { background: #5a1f3a; border-color: #5a1f3a; color: var(--text); }
.size-cell { color: var(--text-muted); }
.empty-state { color: var(--text-muted); font-size: 0.875rem; padding: 1rem 0; }

/* Upload page */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s;
}
.upload-area:hover, .upload-area.drag-over { border-color: var(--accent); }
.upload-area p { color: var(--text-muted); margin-bottom: 1rem; font-size: 0.9rem; }
#upload-progress { margin-top: 1rem; }
.progress-item { padding: 0.4rem 0; font-size: 0.875rem; color: var(--text-muted); }
.progress-item.done { color: #7abf72; }
.progress-item.error { color: #c47a8a; }

main { display: grid; gap: 1.25rem; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(201, 168, 76, 0.06);
}

.card h2 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

button {
    background: var(--surface-raised);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.4rem 1rem;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background 0.15s, border-color 0.15s;
}

button:hover { background: var(--accent); border-color: var(--accent); }

select, input[type="file"], input[type="text"] {
    background: var(--surface-raised);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.4rem 0.75rem;
    font-size: 0.875rem;
}

input[type="text"]::placeholder { color: var(--text-muted); }
input[type="text"]:focus { outline: none; border-color: var(--accent); }

.category-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.category-row label { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }
.category-row input[type="text"], .category-row select { flex: 1; width: auto; }

select { width: 100%; }

.select-stack { display: flex; flex-direction: column; gap: 0.5rem; }

.row { display: flex; gap: 0.75rem; align-items: center; }

#upload-form { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }

#upload-status { font-size: 0.8rem; color: var(--text-muted); }

.track-name { color: var(--accent); margin-bottom: 1rem; font-size: 0.9rem; }

.player-controls { display: flex; gap: 0.5rem; margin-bottom: 1rem; }

.progress-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.progress-row span { font-size: 0.8rem; color: var(--text-muted); min-width: 36px; font-variant-numeric: tabular-nums; }
#seek-bar { flex: 1; }

.volume-row { display: flex; align-items: center; gap: 0.75rem; }
.volume-row label { font-size: 0.8rem; color: var(--text-muted); min-width: 50px; }

input[type="range"] {
    -webkit-appearance: none;
    flex: 1;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    border: none;
    cursor: pointer;
}
input[type="range"]:disabled { opacity: 0.3; cursor: default; }

.ambient-track {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}
.ambient-track:last-child { border-bottom: none; }

.ambient-label { min-width: 90px; font-size: 0.875rem; }

.ambient-sliders { flex: 1; display: flex; flex-direction: column; gap: 0.4rem; }

.slider-row { display: flex; align-items: center; gap: 0.5rem; }

.slider-label { min-width: 24px; font-size: 0.75rem; color: var(--text-muted); }

.vol-display, .int-display { min-width: 38px; text-align: right; font-size: 0.8rem; color: var(--text-muted); }

/* Login page */
.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-title {
    font-size: 1.6rem;
    color: var(--accent);
    text-shadow: 0 0 18px rgba(201, 168, 76, 0.35);
    letter-spacing: 0.08em;
    margin-bottom: 2rem;
    text-align: center;
    line-height: 1.4;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    max-width: 300px;
}

.login-form input[type="password"] {
    background: var(--surface-raised);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.6rem 0.75rem;
    font-size: 0.875rem;
    text-align: center;
    letter-spacing: 0.15em;
    width: 100%;
}

.login-form input[type="password"]:focus { outline: none; border-color: var(--accent); }
.login-form input[type="password"]::placeholder { letter-spacing: normal; color: var(--text-muted); }

.login-error {
    color: #c47a8a;
    font-size: 0.8rem;
    text-align: center;
    display: none;
    margin: 0;
}