:root {
    color-scheme: light;
    --ink: #152a2c;
    --muted: #607376;
    --line: #dbe5e3;
    --paper: #ffffff;
    --wash: #f3f7f6;
    --primary: #14756f;
    --primary-dark: #0d5b57;
    --accent: #d7eee9;
    --danger: #9d2d35;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: var(--wash);
}

.login-body {
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(circle at 10% 10%, #d7eee9 0, transparent 34%),
        radial-gradient(circle at 90% 90%, #dce8f0 0, transparent 35%),
        var(--wash);
}

.login-card, .hero-card, .status-card {
    background: var(--paper);
    border: 1px solid var(--line);
    box-shadow: 0 20px 55px rgba(21, 42, 44, 0.08);
}

.login-card {
    width: min(100%, 440px);
    padding: 38px;
    border-radius: 24px;
}

.brand-mark, .brand {
    color: var(--primary);
    font-weight: 800;
    letter-spacing: 0.08em;
}

.brand-mark { font-size: 1.25rem; }
.brand { text-decoration: none; font-size: 1.15rem; }

.eyebrow {
    margin: 28px 0 6px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 750;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1 { margin: 0 0 12px; font-size: clamp(2rem, 6vw, 3rem); line-height: 1.05; }
.muted, .demo-notice, .status-card p { color: var(--muted); }

.login-form { display: grid; gap: 10px; margin-top: 28px; }
.login-form label { margin-top: 8px; font-weight: 700; }

input {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #bdcdca;
    border-radius: 10px;
    color: var(--ink);
    background: white;
    font: inherit;
}

input:focus {
    outline: 3px solid rgba(20, 117, 111, 0.18);
    border-color: var(--primary);
}

button, .primary-link {
    border: 0;
    border-radius: 10px;
    padding: 13px 18px;
    color: white;
    background: var(--primary);
    font: inherit;
    font-weight: 750;
    cursor: pointer;
}

button:hover, .primary-link:hover { background: var(--primary-dark); }
.login-form button { margin-top: 12px; }

.alert {
    margin-top: 20px;
    padding: 12px 14px;
    border-left: 4px solid var(--danger);
    border-radius: 8px;
    color: #762129;
    background: #fff0f1;
}

.demo-notice { margin: 24px 0 0; font-size: 0.78rem; }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
    padding: 0 5vw;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
}

.user-zone { display: flex; align-items: center; gap: 12px; }
.user-zone form { margin: 0; }

.role-badge {
    padding: 5px 9px;
    border-radius: 999px;
    color: var(--primary-dark);
    background: var(--accent);
    font-size: 0.75rem;
    font-weight: 750;
    text-transform: uppercase;
}

.link-button {
    padding: 8px 10px;
    color: var(--primary);
    background: transparent;
}

.link-button:hover { color: var(--primary-dark); background: var(--accent); }

.page-shell { width: min(1100px, 90vw); margin: 64px auto; }
.hero-card { padding: clamp(28px, 5vw, 58px); border-radius: 24px; }
.hero-card p:last-child { max-width: 680px; color: var(--muted); font-size: 1.08rem; }

.status-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 18px;
}

.status-card {
    display: flex;
    gap: 14px;
    padding: 22px;
    border-radius: 16px;
}

.status-card p { margin: 5px 0 0; }
.status-dot { width: 12px; height: 12px; margin-top: 5px; border-radius: 50%; background: #2f9e69; }
.error-card { border-top: 5px solid var(--danger); }
.primary-link { display: inline-block; margin-top: 16px; text-decoration: none; }

@media (max-width: 680px) {
    .login-card { padding: 28px 22px; }
    .topbar { align-items: flex-start; gap: 14px; padding-block: 16px; }
    .user-zone { align-items: flex-end; flex-direction: column; gap: 6px; }
    .status-grid { grid-template-columns: 1fr; }
}