:root {
    --mvptnt-primary: #2142ff;
    --mvptnt-bg: #f4f6fb;
    --mvptnt-border: #d7dcf0;
    --mvptnt-success: #2e9c6a;
    --mvptnt-warning: #f0a500;
    --mvptnt-error: #d64545;
}

body.mvptnt-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--mvptnt-bg);
    color: #1a1c2d;
    margin: 0;
}

.mvptnt-site-header,
.mvptnt-site-footer {
    background: #ffffff;
    border-bottom: 1px solid var(--mvptnt-border);
    padding: 1.5rem 0;
}

.mvptnt-site-footer {
    border-top: 1px solid var(--mvptnt-border);
    border-bottom: none;
}

.mvptnt-container {
    width: min(1100px, 90vw);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mvptnt-logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--mvptnt-primary);
    text-decoration: none;
}

.mvptnt-main {
    width: min(1200px, 94vw);
    margin: 2rem auto;
}

.mvptnt-hero {
    text-align: center;
    margin-bottom: 2rem;
}

.mvptnt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.mvptnt-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 20px 45px -32px rgba(17, 24, 39, 0.35);
    border: 1px solid var(--mvptnt-border);
}

.mvptnt-form {
    display: grid;
    gap: 1rem;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.field-group input,
.field-group select,
.field-group textarea {
    border-radius: 12px;
    border: 1px solid var(--mvptnt-border);
    padding: 0.75rem;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background: #fff;
}

.field-group input:focus,
.field-group select:focus {
    outline: none;
    border-color: var(--mvptnt-primary);
    box-shadow: 0 0 0 3px rgba(33, 66, 255, 0.2);
}

.field-group.field-ok input,
.field-group.field-ok select {
    border-color: var(--mvptnt-success);
}

.field-group.field-err input,
.field-group.field-err select {
    border-color: var(--mvptnt-error);
}

.field-group.field-yield input,
.field-group.field-yield select {
    border-color: var(--mvptnt-warning);
}

.field-msg {
    font-size: 0.85rem;
    color: var(--mvptnt-error);
    display: none;
}

.field-group.field-ok .field-msg {
    color: var(--mvptnt-success);
}

.field-group .field-msg[hidden] {
    display: none;
}

.button,
.button-primary {
    border-radius: 12px;
    padding: 0.8rem 1.2rem;
    border: none;
    cursor: pointer;
    font-weight: 600;
    background: var(--mvptnt-primary);
    color: #fff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus {
    transform: translateY(-1px);
    box-shadow: 0 12px 22px -16px rgba(33, 66, 255, 0.5);
}

.button-link {
    background: transparent;
    color: var(--mvptnt-error);
}

.mvptnt-alert {
    margin-top: 1rem;
    padding: 0.85rem;
    border-radius: 12px;
    background: rgba(33, 66, 255, 0.1);
    color: var(--mvptnt-primary);
}

.mvptnt-alert[data-type="error"] {
    background: rgba(214, 69, 69, 0.1);
    color: var(--mvptnt-error);
}

.mvptnt-member {
    border: 1px solid var(--mvptnt-border);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.mvptnt-login-gate {
    position: relative;
}

.mvptnt-modal {
    background: #fff;
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--mvptnt-border);
}

.password-wrapper {
    position: relative;
}

.toggle-password {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
}

.password-rules {
    font-size: 0.85rem;
    padding: 0.75rem;
    border-radius: 12px;
    background: rgba(33, 66, 255, 0.06);
}

.password-rules li {
    list-style: none;
}

.password-rules li.rule-ok {
    color: var(--mvptnt-success);
    font-weight: 600;
}

.mvptnt-account-section {
    border-top: 1px solid var(--mvptnt-border);
    padding-top: 1rem;
    margin-top: 1rem;
}

.mvptnt-account-entry {
    padding: 0.75rem;
    border-radius: 12px;
    background: rgba(33, 66, 255, 0.05);
    margin-bottom: 0.5rem;
}

.mvptnt-login-status {
    font-size: 0.95rem;
}

.mvptnt-login-status .icon-user,
.mvptnt-login-status .icon-user-slash {
    margin-right: 0.35rem;
}