:root {
    --ms-blue: #0078D4;
    --ms-blue-hover: #106EBE;
    --ms-blue-active: #005A9E;
    --ms-bg: #FAFAFA;
    --ms-card-bg: #FFFFFF;
    --ms-text-primary: #242424;
    --ms-text-secondary: #616161;
    --ms-border: #E0E0E0;
    --ms-shadow: 0 2px 4px rgba(0,0,0,0.05), 0 8px 16px rgba(0,0,0,0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;
}

body {
    background-color: var(--ms-bg);
    color: var(--ms-text-primary);
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    background-color: var(--ms-card-bg);
    padding: 16px 32px;
    border-bottom: 1px solid var(--ms-border);
    display: flex;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ms-text-primary);
}

.container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.card {
    background: var(--ms-card-bg);
    border-radius: 4px;
    box-shadow: var(--ms-shadow);
    padding: 48px;
    max-width: 480px;
    width: 100%;
    border: 1px solid transparent;
}

.title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--ms-text-primary);
}

.subtitle {
    font-size: 1rem;
    color: var(--ms-text-secondary);
    margin-bottom: 32px;
}

.pricing {
    margin-bottom: 32px;
    display: flex;
    align-items: baseline;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    margin-right: 4px;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
}

.period {
    color: var(--ms-text-secondary);
    margin-left: 8px;
    font-size: 1rem;
}

.features {
    list-style: none;
    margin-bottom: 40px;
}

.features li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.icon {
    color: var(--ms-blue);
    margin-right: 12px;
    font-weight: bold;
    font-style: normal;
}

.input-group {
    margin-bottom: 24px;
}

.input-field {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--ms-border);
    border-radius: 4px;
    font-size: 0.95rem;
    color: var(--ms-text-primary);
    background-color: var(--ms-card-bg);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-field:focus {
    outline: none;
    border-color: var(--ms-blue);
    box-shadow: 0 0 0 1px var(--ms-blue);
}

.btn-primary {
    background-color: var(--ms-blue);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    width: 100%;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

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

.btn-primary:active {
    background-color: var(--ms-blue-active);
}

.btn-secondary {
    background-color: transparent;
    color: var(--ms-text-primary);
    border: 1px solid var(--ms-border);
    border-radius: 4px;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.btn-secondary:hover {
    background-color: var(--ms-bg);
}

.terms {
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--ms-text-secondary);
    text-align: center;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--ms-card-bg);
    padding: 32px;
    border-radius: 4px;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--ms-shadow);
    text-align: center;
    animation: fadeIn 0.2s ease;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.modal-text {
    color: var(--ms-text-secondary);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}