:root {
    color-scheme: light;
    --background: #f3f6fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --text: #182033;
    --muted: #687087;
    --border: #dfe5ef;
    --primary: #2457d6;
    --primary-hover: #1c46ad;
    --danger: #b42318;
    --success: #18794e;
    --warning: #9a6700;
    --shadow: 0 18px 50px rgba(20, 35, 70, 0.10);
}

html[data-theme="dark"] {
    color-scheme: dark;
    --background: #111827;
    --surface: #1b2434;
    --surface-soft: #222d40;
    --text: #f3f6fb;
    --muted: #aab4c7;
    --border: #354258;
    --primary: #7198ff;
    --primary-hover: #91adff;
    --danger: #ff8a80;
    --success: #69d19d;
    --warning: #f0c36a;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.30);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family:
        Inter, ui-sans-serif, system-ui, -apple-system,
        BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--background);
    color: var(--text);
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

.login-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(300px, 1fr) minmax(420px, 560px);
}

.login-brand {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(40px, 7vw, 100px);
    background:
        radial-gradient(circle at top left, #517eea, transparent 42%),
        linear-gradient(145deg, #142c64, #1d4fc4);
    color: white;
}

.brand-mark {
    width: 62px;
    height: 62px;
    display: grid;
    place-items: center;
    margin-bottom: 26px;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 18px;
    background: rgba(255,255,255,.14);
    font-size: 26px;
    font-weight: 800;
}

.login-brand h1 {
    margin: 0 0 14px;
    font-size: clamp(38px, 6vw, 68px);
    letter-spacing: -0.05em;
}

.login-brand p {
    max-width: 620px;
    margin: 0;
    color: rgba(255,255,255,.82);
    font-size: 18px;
    line-height: 1.65;
}

.login-panel {
    display: flex;
    align-items: center;
    padding: clamp(30px, 6vw, 80px);
    background: var(--surface);
}

.login-form {
    width: 100%;
}

.login-form h2 {
    margin: 0 0 8px;
    font-size: 30px;
}

.login-form > p {
    margin: 0 0 30px;
    color: var(--muted);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.form-control {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    outline: none;
    background: var(--surface-soft);
    color: var(--text);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 18px;
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 750;
}

.btn-primary {
    width: 100%;
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    background: var(--surface-soft);
    color: var(--text);
    border: 1px solid var(--border);
}

.alert {
    margin-bottom: 22px;
    padding: 13px 15px;
    border-radius: 10px;
    line-height: 1.45;
}

.alert-error {
    background: color-mix(in srgb, var(--danger) 12%, var(--surface));
    border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--border));
    color: var(--danger);
}

.alert-success {
    background: color-mix(in srgb, var(--success) 12%, var(--surface));
    border: 1px solid color-mix(in srgb, var(--success) 35%, var(--border));
    color: var(--success);
}

.app-shell {
    min-height: 100vh;
}

.topbar {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 12px 28px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 850;
    font-size: 20px;
}

.topbar-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: var(--primary);
    color: white;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.content {
    width: min(1380px, calc(100% - 40px));
    margin: 0 auto;
    padding: 34px 0 60px;
}

.page-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
}

.page-heading h1 {
    margin: 0 0 7px;
    font-size: 32px;
}

.page-heading p {
    margin: 0;
    color: var(--muted);
}

.company-pill {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--muted);
    font-size: 14px;
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.module-card {
    display: block;
    min-height: 190px;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
    box-shadow: var(--shadow);
    text-decoration: none;
    transition: transform .18s ease, border-color .18s ease;
}

.module-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
}

.module-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    margin-bottom: 22px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--primary) 14%, var(--surface));
    color: var(--primary);
    font-weight: 850;
}

.module-card h2 {
    margin: 0 0 9px;
    font-size: 20px;
}

.module-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.status-panel {
    margin-top: 25px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
}

.status-panel h2 {
    margin: 0 0 15px;
    font-size: 18px;
}

.status-list {
    display: grid;
    gap: 10px;
}

.status-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.status-row:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.status-label {
    color: var(--muted);
}

.theme-button {
    width: 44px;
    height: 44px;
    padding: 0;
}

@media (max-width: 950px) {
    .login-page {
        grid-template-columns: 1fr;
    }

    .login-brand {
        min-height: 280px;
    }

    .module-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 650px) {
    .topbar {
        padding: 12px 16px;
    }

    .content {
        width: min(100% - 28px, 1380px);
    }

    .page-heading {
        flex-direction: column;
    }

    .module-grid {
        grid-template-columns: 1fr;
    }

    .login-panel {
        padding: 35px 24px;
    }

    .topbar-user {
        display: none;
    }
}