:root {
    --pale-green: #dff3e6;
    --dark-green: #0f5f2e;
    --medium-green: #1b7f3c;
    --light-gray: #f4f4f4;
}

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

body {
    background-color: var(--pale-green);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.logo {
    font-size: 2.5rem;
    color: var(--dark-green);
    margin-bottom: 25px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.tabs {
    display: flex;
    margin-bottom: 20px;
    background: var(--light-gray);
    border-radius: 50px;
    padding: 5px;
}

.tab-button {
    flex: 1;
    padding: 10px;
    border: none;
    background: transparent;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    color: var(--dark-green);
    transition: 0.3s;
}

.tab-button.active {
    background: var(--dark-green);
    color: white;
}

.tab-content {
    display: none;
    text-align: left;
}

.tab-content.active {
    display: block;
}

.tab-content p {
    margin-bottom: 15px;
    color: #333;
    line-height: 1.5;
}

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

input[type="email"] {
    padding: 12px;
    border-radius: 12px;
    border: 1px solid #ddd;
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: var(--medium-green);
}

.primary-btn {
    padding: 12px;
    border-radius: 12px;
    border: none;
    background: var(--dark-green);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

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

.success-message {
    display: none;
    margin-top: 15px;
    padding: 10px;
    background: var(--pale-green);
    color: var(--dark-green);
    border-radius: 10px;
    font-size: 0.9rem;
}