:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #172033;
    --muted: #617087;
    --border: #d9e1ec;
    --accent: #0b62d6;
    --accent-dark: #084da7;
    --success: #0f7b45;
    --error: #b42318;
    --working: #955a00;
}

* { box-sizing: border-box; }

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

.page {
    width: min(1100px, calc(100% - 32px));
    margin: 40px auto;
}

.header {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.8rem;
}

h1 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1.05;
}

h2 { margin-top: 0; }

.subtitle {
    color: var(--muted);
    font-size: 1.1rem;
    margin: 12px 0 0;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
    align-items: start;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 12px 30px rgba(23, 32, 51, 0.06);
}

.login-card { max-width: 460px; }

label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
}

input[type="password"], select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    font: inherit;
    background: #fff;
}

button, .download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-weight: 800;
    font-size: 1rem;
    text-decoration: none;
    padding: 13px 22px;
    cursor: pointer;
    margin-top: 18px;
}

button:hover, .download:hover { background: var(--accent-dark); }
button:disabled { opacity: 0.65; cursor: wait; }

.logout {
    color: var(--muted);
    text-decoration: none;
    font-weight: 700;
}

.dropzone {
    border: 2px dashed var(--border);
    border-radius: 18px;
    padding: 34px;
    text-align: center;
    cursor: pointer;
    transition: 0.15s ease;
    margin-bottom: 20px;
}

.dropzone.dragging, .dropzone:hover {
    border-color: var(--accent);
    background: #f0f6ff;
}

.dropzone input { display: none; }
.drop-title { display: block; font-size: 1.4rem; font-weight: 900; }
.drop-subtitle, .file-summary { display: block; color: var(--muted); margin-top: 6px; }
.file-summary { font-size: 0.95rem; }

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 16px;
}

.checkbox-field {
    display: flex;
    align-items: end;
}

.checkbox-field label {
    margin: 0;
    display: flex;
    gap: 8px;
    align-items: center;
}

.advanced {
    margin-top: 18px;
    color: var(--text);
}

.advanced summary {
    cursor: pointer;
    font-weight: 800;
}

.status {
    margin-top: 18px;
    color: var(--muted);
    line-height: 1.6;
}

.status.success { color: var(--success); }
.status.error, .alert.error { color: var(--error); }
.status.working { color: var(--working); }

.help-card ul {
    padding-left: 20px;
    color: var(--muted);
}

.muted { color: var(--muted); }

@media (max-width: 860px) {
    .grid, .field-row { grid-template-columns: 1fr; }
    .header { display: block; }
}