:root {
    --bg: #eef5f8;
    --panel: #ffffff;
    --line: #d6e3ea;
    --text: #20323f;
    --muted: #6f8594;
    --primary: #0096B0;
    --primary-dark: #076d80;
    --accent: #B64368;
    --danger: #c44747;
    --shadow: 0 20px 46px rgba(18, 49, 68, 0.12);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Tahoma, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(0, 150, 176, 0.14), transparent 34%),
        radial-gradient(circle at bottom right, rgba(182, 67, 104, 0.14), transparent 30%),
        linear-gradient(180deg, #fafdff 0%, var(--bg) 100%);
}

.login-shell {
    width: min(1120px, calc(100% - 28px));
    margin: 0 auto;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.2fr minmax(320px, 420px);
    gap: 24px;
    align-items: center;
}

.login-hero,
.login-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: var(--shadow);
}

.login-hero {
    padding: 36px;
    min-height: 420px;
    display: grid;
    align-content: center;
    gap: 18px;
}

.login-logo {
    width: min(320px, 100%);
    height: auto;
    display: block;
}

.eyebrow {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.74rem;
    font-weight: 800;
    color: var(--primary);
}

h1, h2, p { margin: 0; }

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.02;
}

.lead,
.card-header p {
    color: var(--muted);
    font-size: 1rem;
}

.hero-note {
    padding: 18px 20px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(0, 150, 176, 0.08), rgba(182, 67, 104, 0.08));
    display: grid;
    gap: 6px;
}

.hero-note strong {
    color: var(--accent);
}

.login-card {
    padding: 28px;
}

.card-header {
    margin-bottom: 20px;
}

#login-form {
    display: grid;
    gap: 16px;
}

.field {
    display: grid;
    gap: 8px;
    font-weight: 600;
}

input {
    width: 100%;
    border: 1px solid #c8d9e2;
    border-radius: 14px;
    padding: 13px 14px;
    font: inherit;
    color: var(--text);
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 150, 176, 0.12);
}

.error-text {
    min-height: 16px;
    color: var(--danger);
    font-size: 0.78rem;
}

.feedback {
    min-height: 20px;
    font-weight: 700;
    color: var(--muted);
}

.feedback.is-error { color: var(--danger); }
.feedback.is-success { color: #167453; }
.feedback.is-loading { color: var(--primary-dark); }

.primary-button {
    border: 0;
    border-radius: 14px;
    padding: 14px 16px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

@media (max-width: 920px) {
    .login-shell {
        grid-template-columns: 1fr;
        padding: 24px 0;
    }
}