:root {
    --primary-color: #3CB4AC;
    --background-color: #F8FAFB;
    --text-color: #4A4A4A;
    --placeholder-color: #B8C3C9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.form-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.logo {
    width: 280px;
    height: auto;
    margin-bottom: 20px;
}

.instruction {
    color: var(--text-color);
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 8px;
}

.dial-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.phone-input {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 16px;
    background: white;
    font-size: 16px;
    color: var(--text-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.phone-input::placeholder {
    color: var(--placeholder-color);
}

.dial-button {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 16px;
    background-color: var(--primary-color);
    color: white;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.dial-button:hover {
    background-color: #35A19A;
}

.dial-button:active {
    transform: scale(0.98);
}