:root {
    --bg: #F5F7F8;
    --panel: #FFFFFF;
    --border: #E1E7EA;
    --text: #16232B;
    --text-muted: #64748B;
    --accent: #0B7A70;
    --accent-text: #FFFFFF;
    --danger: #DC2626;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

    --danger-soft: #FCEAEA;
    --shadow-md: 0 12px 32px rgba(22,35,43,0.10);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow-md);
    padding: 36px;
}

.login-card__icon {
    width: 40px; height: 40px;
    color: var(--accent);
    margin-bottom: 16px;
}

.login-card h1 {
    margin: 0 0 24px;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.login-error {
    color: var(--danger);
    background: var(--danger-soft);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 14px;
    margin-bottom: 16px;
}

form { display: flex; flex-direction: column; gap: 6px; }

label { font-size: 13px; font-weight: 600; color: var(--text-muted); margin-top: 12px; }

input {
    min-height: 46px;
    padding: 0 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(11,122,112,0.15);
}

.btn--primary {
    margin-top: 22px;
    min-height: 48px;
    border-radius: 8px;
    border: none;
    background: var(--accent);
    color: var(--accent-text);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
}
.btn--primary:hover { background: #096158; }