:root {
    --bg: #0f1115;
    --card: #1a1d24;
    --line: #2a2f3a;
    --text: #e6e8ec;
    --muted: #9aa3b2;
    --accent: #4f8cff;
    --accent-hover: #3a76e8;
    --error: #ff6b6b;
    --ok: #46d39a;
}

* { 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;
}

.muted { color: var(--muted); }
.hidden { display: none !important; }
.error { color: var(--error); }
code { background: #11141a; padding: 1px 6px; border-radius: 4px; }

/* Topbar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo { height: 28px; width: auto; display: block; }
.brand-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--muted);
    padding-left: 14px;
    border-left: 1px solid var(--line);
}
.logout { color: var(--muted); text-decoration: none; font-size: 14px; }
.logout:hover { color: var(--text); }

main { max-width: 760px; margin: 0 auto; padding: 32px 24px; }
.intro { color: var(--muted); margin-bottom: 24px; }
.intro strong, .intro code { color: var(--text); }

/* Dropzone */
.dropzone {
    border: 2px dashed var(--line);
    border-radius: 14px;
    padding: 64px 24px;
    text-align: center;
    transition: border-color .15s, background .15s;
}
.dropzone.dragover {
    border-color: var(--accent);
    background: rgba(79, 140, 255, .08);
}
.dz-title { font-size: 20px; margin: 0 0 4px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #232733;
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); }
.btn:disabled { opacity: .5; cursor: default; }

/* Status / Fortschritt */
.status { margin-top: 8px; }
.progress {
    height: 10px;
    background: #11141a;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 10px;
}
.progress-bar {
    height: 100%;
    width: 0;
    background: var(--accent);
    transition: width .2s;
}
.error-list {
    list-style: none;
    padding: 0;
    margin: 12px 0;
    color: var(--error);
    font-size: 14px;
    max-height: 220px;
    overflow: auto;
}
.error-list li { padding: 2px 0; }
.status .btn { margin-right: 8px; margin-top: 8px; }

/* Login */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 32px;
    width: 320px;
    text-align: center;
}
.login-logo { width: 180px; height: auto; margin-bottom: 18px; }
.login-card h1 { margin: 0 0 4px; font-size: 18px; font-weight: 600; color: var(--muted); }
.login-card input {
    width: 100%;
    padding: 11px 12px;
    margin: 16px 0 12px;
    background: #11141a;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    font-size: 15px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button {
    width: 100%;
    padding: 11px;
    background: var(--accent);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
}
.login-card button:hover { background: var(--accent-hover); }