:root {
    --color-bg: #f1f5f9;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-text: #0f172a;
    --color-muted: #64748b;
    --color-primary: #4338ca;
    --color-primary-hover: #3730a3;
    --color-danger: #dc2626;
    --color-danger-bg: #fee2e2;
    --color-success-bg: #dcfce7;
    --color-success-text: #166534;
    --color-failed-bg: #fecaca;
    --color-failed-text: #991b1b;
    --color-unknown-bg: #e2e8f0;
    --color-unknown-text: #334155;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);
    --shadow-lg: 0 10px 25px rgba(15, 23, 42, .15), 0 4px 10px rgba(15, 23, 42, .08);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color .15s ease, border-color .15s ease, color .15s ease;
    font-family: inherit;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-hover); }
.btn--ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn--ghost:hover { background: var(--color-bg); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: .15rem .55rem;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 600;
}
.badge--success { background: var(--color-success-bg); color: var(--color-success-text); }
.badge--failed { background: var(--color-failed-bg); color: var(--color-failed-text); }
.badge--unknown { background: var(--color-unknown-bg); color: var(--color-unknown-text); }

body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
}
.login-card {
    background: var(--color-surface);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 340px;
}
.login-card h1 {
    font-size: 1.25rem;
    margin: 0 0 1.5rem;
}
.login-step label {
    display: block;
    margin-bottom: .4rem;
    font-weight: 600;
    font-size: .875rem;
    color: var(--color-muted);
}
.login-step input {
    width: 100%;
    padding: .65rem .75rem;
    margin-bottom: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: .95rem;
    box-sizing: border-box;
    font-family: inherit;
}
.login-step input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(67, 56, 202, .15);
}
.login-step button {
    width: 100%;
    padding: .7rem;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: .95rem;
    cursor: pointer;
}
.login-step button:hover { background: var(--color-primary-hover); }
.error {
    color: var(--color-danger);
    margin-top: .5rem;
    font-size: .85rem;
}