:root {
    --brand: #2E3192;
    --brand-dark: #1F2270;
    --brand-light: #3A3EB5;
    --brand-contrast: #ffffff;
    --accent: #AA1A2D;
    --text: #3F3B35;
    --heading: #2E3192;
    --muted: #807A6F;
    --bg: #F3EFE6;
    --card-bg: #ffffff;
    --border: #E6E0D2;
    --header-bg: #2A4CB0;
    --success-bg: #ecfdf5;
    --success-fg: #065f46;
    --error-bg: #fef2f2;
    --error-fg: #991b1b;
    --radius: 14px;
    --shadow: 0 1px 2px rgba(46, 49, 146, 0.04), 0 8px 24px rgba(46, 49, 146, 0.08);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: "Barlow", "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

.app-header {
    background: var(--brand);
    color: #fff;
    padding: 12px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 10;
}

.app-header h1 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-logo {
    display: block;
    height: 36px;
    width: auto;
    background: #fff;
    padding: 6px 12px;
    border-radius: 8px;
}

.brand-sub {
    font-family: "Oswald", "Barlow Condensed", "Helvetica Neue", sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
}

.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 20px 16px 48px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.card h2 {
    margin: 0 0 16px;
    font-family: "Oswald", "Barlow Condensed", "Helvetica Neue", sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--heading);
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin: 12px 0 6px;
    color: var(--muted);
}

input[type="text"],
input[type="password"],
input[type="url"] {
    width: 100%;
    padding: 11px 12px;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(46, 49, 146, 0.18);
}

.hint {
    font-size: 0.8rem;
    color: var(--muted);
    margin: 8px 0 0;
}

.hint code {
    background: #f1f3f5;
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 0.78rem;
}

.primary-btn {
    width: 100%;
    margin-top: 20px;
    padding: 14px 18px;
    font-family: "Oswald", "Barlow Condensed", "Helvetica Neue", sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--brand-contrast);
    background: var(--brand-light);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.15s, transform 0.05s, box-shadow 0.15s;
    box-shadow: 0 4px 12px rgba(46, 49, 146, 0.25);
}

.primary-btn:hover:not(:disabled) { background: var(--brand-dark); }
.primary-btn:active:not(:disabled) { transform: translateY(1px); }
.primary-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.link-btn {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    padding: 6px 14px;
    font-family: "Oswald", "Barlow Condensed", "Helvetica Neue", sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.link-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
}

.action-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.action-btn {
    padding: 20px 20px;
    font-size: 1rem;
    color: var(--text);
    background: #fff;
    border: 2px solid var(--brand);
    border-radius: 14px;
    cursor: pointer;
    text-align: left;
    transition: transform 0.08s, box-shadow 0.15s, background 0.15s;
    position: relative;
    box-shadow: 0 3px 0 var(--brand);
}

.action-btn:hover:not(:disabled) {
    background: #F8F5EC;
    transform: translateY(-1px);
    box-shadow: 0 4px 0 var(--brand);
}

.action-btn:active:not(:disabled) {
    transform: translateY(2px);
    box-shadow: 0 1px 0 var(--brand);
}

.action-btn:disabled { opacity: 0.55; cursor: not-allowed; }

.action-btn .label {
    display: block;
    font-family: "Oswald", "Barlow Condensed", "Helvetica Neue", sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--brand);
}

.action-btn .sub {
    display: block;
    font-size: 0.85rem;
    color: var(--muted);
    margin-top: 5px;
    font-weight: 500;
}

.result-header {
    font-weight: 600;
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 12px;
}

.result-header.success { background: var(--success-bg); color: var(--success-fg); }
.result-header.error { background: var(--error-bg); color: var(--error-fg); }

.result-body {
    background: #0f172a;
    color: #e2e8f0;
    padding: 14px;
    border-radius: 8px;
    font-size: 0.82rem;
    line-height: 1.45;
    overflow-x: auto;
    max-height: 420px;
    overflow-y: auto;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.app-footer {
    text-align: center;
    padding: 18px 16px 28px;
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 500;
}

.app-footer #signed-in-as {
    color: var(--brand);
    font-weight: 700;
}

.hidden { display: none !important; }

@media (min-width: 720px) {
    .container { padding: 28px 20px 60px; gap: 20px; }
    .card { padding: 24px; }
    .action-grid { grid-template-columns: 1fr 1fr; }
}